1.calculateSal Read the question carefully and follow the input and output format.
Karen got salary for this month and she spends 20% of her salary for food and 30% of her salary for travel. If she takes care of other shifts she will get 2% of the salary per day. Given her salary and the number of shifts she handled. Calculate how much she can save in her pocket after spending all these?
Input and Output Format : First line of input consists of an integer, salary. Next line correspond to the number of shifts. Output consist of an integer, which is saving.
- Print "Salary too large" when salary is greater than 8000.
- Print "Shifts too small" when the shift is less than 0.
- Print "Salary too small" when the salary is less than 0.
Include a function named calculateSal(int salary, int shifts) whose return type is an integer, which is the saving.
Sample Input 1: 7000 5 Sample Output 1: 4200
Sample Input 2: 8001
Sample Output 2: Salary too large import java.util.Scanner; public class Main { public static void main(String[] args) { int salary=0,shifts=0; double savings=0; Scanner in=new Scanner(System.in); salary = in.nextInt(); shifts = in.nextInt(); if(salary > 8000) System.out.print("Salary too large "); else if(shifts<0) System.out.print ("Shifts too small\n"); else if(salary<0) System.out.print ("Salary too small"); else { savings = (salary0.5)+(salary0.02*shifts); System.out.printf ("%.0f",savings); } } }
2.Repeated Salary Count John is working as a clerk in an organization where N number of people are working. His boss has asked him to get the count of employees who get same salary. Help him to get the count of repeated salary. Include a function named countRepeaters that accepts 2 arguments and returns an int. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The function returns an int that corresponds to the number of repeaters. If the size of the array is negative or if any of the array elements are negative, print “Invalid Input” and terminate the program. Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of an integer that corresponds to the number of repeaters. Assume that utmost one element in the array would repeat. Assume that the maximum number of elements in the array is 20.
Sample Input 1: 5 1000 2000 3500 2000 5000
Sample Output 1: 2
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 1000 -2000
Sample Output 3: Invalid Input
import java.util.*; public class Main { public static void main(String[] args) { int n, i,j,k,count=1; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[100]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } for(i=0;i<n;i++) { for(j=i+1;j<n;) { if(a[i]==a[j]) { count++; for(k=j;k<n;k++) a[k]=a[k+1]; n--; } else j++; } } System.out.print(count); } } }
3.maximumSum Read the question carefully and follow the input and output format.
Given an Integer array, find out sum of Even and odd Numbers individually and find the maximum.
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of maximum of odd and even sum.
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
Include a function named maximumSum(int numbers[], int size) whose return type is an integer,.
Sample Input 1: 5 12 13 14 15 16
Sample Output 1: 42
Sample Input 2: -13
Sample Output 2: Invalid array size
4.Product of Digits In a car racing video game, the car is an object. You can drive the car, turn the car, or stop the car when needed but you need to drive long. You will get money according to the Km you have travelled. For example if you have travelled 123 km then the product of the km (ie 123 = 6) would be the amount you win. Write a program to find the product of the digits in the given input number. Include a function named productDigits that accepts an integer argument and returns an integer that corresponds to the product of digits in the integer. The function returns -1 if the input number is negative or greater than 32767. If the function returns -1, print Invalid Input. Input and Output Format: Input consists of an integer. Output consists of an integer. Refer sample output for formatting specifications. Sample Input 1: 32 Sample Output 1: 6 Sample Input 2: -67 Sample Output 2: Invalid Input import java.util.Scanner; public class Main { public static void main(String[] args) { int n, rem,prod=1; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0 || n>32767) { System.out.println ("Invalid Input"); System.exit(0); }
else
{
while(n!=0)
{
rem=n%10;
prod=prod*rem;
n=n/10;
}
System.out.println(prod);
}
}
}
5.findCricketerId Read the question carefully and follow the input and output format.
Given an input array first Index indicates the cricketer’s id and second index indicates the score and so on……Find out the cricketer's id who scored more than given score
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements.The next line of the input consists of an integer that corresponds to the given score. Output consist of an integer array, which contains cricketer's id who have scored more than the given score.
- Print "Invalid array size" when size of the array is negative and terminate the program .
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
- Print "Invalid score" when the score is negative.
Include a function named findCricketerId(int array[], int size, int score) whose return type is void. The output array is stored in a global variable named cricketer.
Sample Input 1: 6 1 1000 5 2000 3 4000 1000
Sample Output 1: 5 3
Sample Input 2: 6 1 1000 5 3000 3 4000 -1000
Sample Output 2: Invalid score import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j=0,score; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } score = in.nextInt(); if(score<0) { System.out.print ("Invalid score"); System.exit(0); } int cricketer[]=new int[100]; for(i=1;i<n;i=i+2) { if(a [i]>score) { cricketer[j]=a [i-1]; j++; } } for(i=0;i<j;i++) { System.out.println(cricketer[i]); } } } }
6.Fahrenhiet to Centigrade Write a program to convert given temperature from Fahrenheit to Centigrade. Formula: C/5 = (F-32)/9 C stands for Centigrade. F stands for Fahrenheit. Include a function named convertToCentigrade that accepts an integer argument and returns a float that corresponds to the centigrade equivalent. If the input is a negative number, print Invalid Input and terminate the program. Input and Output Format: Input consists of a single integer. Output consists of a floating point number that corresponds to the centigrade equivalent. The output is displayed correct to 2 decimal places. Sample Input 1: 77 Sample Output 1: 25.00 Sample Input 2: -2345 Sample Output 2: Invalid Input import java.util.Scanner; public class Main { public static void main(String[] args) { double f,c; Scanner in=new Scanner(System.in); f = in.nextDouble(); if(f < 0) { System.out.print("Invalid Input"); System.exit(0); } else { c= (f-32)/9*5; System.out.printf("%.2f", c); } } }
7.highestFeedBack Read the question carefully and follow the input and output format.
In a company there are some managers working on two different projects (MetLife and Hardfort). When the feedback was taken their feedback was present in both MetLife Feedback as well as Hardfort Feedback. Write a method to create a consolidated feedback for the managers for MetLife and HardForts. For those working on both the projects the highest feedback is taken. In the 2 given arrays, the First Index represents the Employee id and second one Represents The Feed Back Score and so on....
Input and Output Format: First line corresponds to n, the size of the array. The next n lines correspond to the elements of the first array. The next n lines correspond to the elements in the second array. Output corresponds to the consolidated feedback score.
- Print "Invalid array size" when size of the array is a negative number and terminate the program
- Print "Invalid input" when there is any negative number available in the input array and terminate the program
Include a function named highestFeedBack(int metlife[],int hardfort[],int size) whose return type is void. The output array is stored in a global variable named fedback.
Sample Input 1: 8 1 90 2 75 3 92 5 85 1 80 2 85 3 80 4 85 Sample Output 1: 1 90 2 85 3 92 5 85 4 85
Sample Input 2: 5 5 8 9 1 -6 Sample Output 2: Invalid number
Sample Input 3: -4 Sample Output 3: Invalid array size import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j,k=0,count,count1; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } int b[]=new int[n]; for(i = 0; i< n; i++) { b[i] = in.nextInt(); if(b[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } int c[]=new int[100]; for(i=0;i<n;i=i+2) { count=0; for(j=0;j<n;j=j+2) { if(a[i]==b[j]) { count=1; if(a[i+1]>b[j+1]) { c[k]=a[i]; c[++k]=a[i+1]; k++; } else { c[k]=a[i]; c[++k]=b[j+1]; k++; } } } if(count==0) { c[k]=a[i]; c[++k]=a[i+1]; k++; } } for(i=0;i<n;i=i+2) { count1=0; for(j=0;j<n;j=j+2) { if(b[i]==a[j]) { count1=1; } } if(count1!=1) { c[k]=b[i]; c[++k]=b[i+1]; k++; } } for(i=0;i<k;i++) { System.out.println(c[i]); } } } }
8.primeIndexSum Read the question carefully and follow the input and output format.
Given an Integer array. Find the average of the numbers located on the Prime Indexes of the Array. Consider 0 index as 1 and 1 index is 2 and so on……
Hint :Consider 1 is not a prime number
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements . Output consists of an Integer, the prime index sum.
- Print "Invalid array size" when size of the array is a negative number.
- Print "Invalid input" when there is any negative numbers available in the input array.
Include a function named primeIndexSum(int array[], int size) whose return type is an integer,which is the sum.
Sample Input 1: 7 2 4 5 1 9 3 8
Sample Output 1: 6
Sample Input 2: -7
Sample Output 2:
Invalid array size
import java.util.*;
public class Main
{
public static void main(String[] args)
{
int n, i,j,count=0,sum=0,temp=0,avg;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[100];
for(i = 1; i<=n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
System.out.print("Invalid input");
System.exit(0);
}
}
for(i=1;i<=n;i++)
{
count=0;
for(j=1;j<=i;j++)
{
if(i%j==0)
count++;
}
if(count==2)
{
sum = sum+a[i];
temp++;
}
}
avg=sum/temp;
System.out.print(avg);
}
}
}
9.Element Count
Write a program to find the number of times a particular number occurs in a given input array.
Include a function named findElementCount that accepts 3 arguments and returns an int. The first argument is the input array, the second argument is an int that corresponds to the size of the array and the third argument is the element to be searched for. The function returns an int that corresponds to the number of times the search element occurs in the array.
If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of n+2 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. The last integer corresponds to the element whose count needs to be found. Output consists of an integer that corresponds to the number of times the search element occurs in the array. Assume that the maximum number of elements in the array is 20.
Sample Input 1: 8 2 1 3 8 6 8 10 8 8
Sample Output 1: 3
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -200
Sample Output 3: Invalid Input
#include<stdio.h> #include<stdlib.h> int findElementCount(int,int[],int); int main(){ int n=0,flag=0,i,input[20],search=0; int count=0; scanf("%d",&n); if(n<0){ printf("Invalid Input"); getchar(); getchar(); exit(0); } for(i=0;i<n;i++){ scanf("%d",&input[i]); if(input[i]<0) flag=1; } if(flag==1){ printf("Invalid Input"); getchar(); getchar(); exit(0); } scanf("%d",&search); count = findElementCount(n,input,search); printf("%d",count); getchar(); getchar(); return 0; } int findElementCount(int n,int array[],int find){ int count=0,i; for(i=0;i<n;i++){ if(array[i]==find) count++; } return count; }
- powerOfTwo Read the question carefully and follow the input and output format.
Check whether given number is a power of 2 or not .If yes Print 'Yes' else 'No'
Input and Output Format : Input consists of an integer number. And output is a single line that displays 'Yes' or 'No'
Print "Number too small" if the number is less than 0 Print "Number too large" if the number is greater than 32767
Include a function named powerOfTwo(int n) that returns an integer.
Sample Input 1: 3 Sample Output 1: No
Sample Input 2: 34569 Sample Output 2: Number too large
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, rem,prod=1; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small "); System.exit(0); } if(n>32767) { System.out.println ("Number too large "); System.exit(0); }
else
{
if(n==0)
{
System.out.println(yes);
System.exit(0);
}
while(n!=1)
{
if(n%2!=0)
{
System.out.println ("no ");
System.exit(0);
}
n=n/2;
}
System.out.println("yes");
}
}
}
11.Count of 3 Multiples
Write a program to find the count of 3 multiples in a given input integer array.
Include a function named divisibleBy3 that accepts 2 arguments and returns an int. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The function returns an int that corresponds to the count of 3 multiples.
If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of an integer that corresponds to the count of 3 multiples
Assume that the maximum number of elements in the array is 20.
Sample Input 1: 8 1 6 3 5 61 80 102 9
Sample Output 1: 4
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -200
Sample Output 3: Invalid Input import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,count=0,flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { flag=1; System.out.print("Invalid input"); System.exit(0); } } if(flag!=1) { for(i=0;i<n;i++) { if(a [i]%3==0 && a[i]!=0) count++; } System.out.print(count); } } } } 12.Odd Even Average
The Owner of a block visited the Layout and found that he has some plot numbers of his own and some are odd numbers and some are even numbers. He is maintaining the details in a file in the system. For the password protection our owner has followed one formula. He calculated the sum of his even numbers plot and sum of odd numbers plot and found the average of those two and he used that average as his password for the details file. Find the password that our owner has arrived.
Include a function named avgOddEvenSum that accepts 2 arguments and returns a float. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The function returns a float that corresponds to the average of the array.
If the size of the array is negative or if any element in the array is negative , print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of a floating point number that corresponds to the average. It is displayed correct to 2 decimal places. Assume that the maximum size of the array is 20.
Sample Input 1: 5 1 2 3 4 5
Sample Output 1: 7.50
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -5
Sample Output 3: Invalid Input import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,sumo=0,sume=0; double sum,avg; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) {
System.out.print("Invalid input");
System.exit(0);
}
}
for(i=0;i<n;i++)
{
if(a[i]%2==0)
sume=sume+a[i];
else
sumo=sumo+a[i];
}
sum=sume+sumo;
avg = sum/2;
System.out.printf("%.2f",avg);
}
}
} 13.Decimal Conversion
Write a program to convert a given input binary number to decimal.
Include a function named convertToDecimal that accepts an integer argument and returns an integer that corresponds to the decimal representation of the input number. If the input value is not a binary value or if the input is negative or if the input is greater than 11111, the function returns -1.
If the function returns -1, print Invalid Input.
Input and Output Format: Input consists of a single integer that corresponds to the binary representation of a number. Output consists of a single integer that corresponds to the decimal equivalent of the given number. Refer sample output for formatting specifications.
Sample Input 1: 1100
Sample Output 1: 12
Sample Input 2: 101010
Sample Output 2: Invalid Input
Sample Input 3: 1201
Sample Output 3: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int num=0,binary,rem,power;
double a,decimal=0;
Scanner sc=new Scanner(System.in);
num=sc.nextInt();
if(num<0 || num>11111)
System.out.print("Invalid Input") ;
else
{
binary = num;
power = 0;
while (binary != 0)
{
rem = binary % 10;
a= Math.pow(2, power);
decimal = decimal+ rem * a;
power++;
binary = binary / 10;
}
System.out.printf("%.0f",decimal);
}
}
}
14.Arithmetic Operation
Write a program to perform a specific arithmetic operation
Include a function named performArithmeticOperation that accepts 3 integer arguments and returns an integer that corresponds to the result. The first and second arguments correspond to the input numbers and the third argument corresponds to the choice of arithmetic operation.
If argument 3 =1, calculate the sum of input1 and input2 If argument 3 =2, calculate the difference of input1 and input2 If argument 3 =3, calculate the product of input1 and input2 If argument 3 =4, calculate the quotient of input1 divided by input 2
If the first two argument's values is negative or greater than 32767 , the function returns -1. If the third argument's value is not in the range 1 to 4, the function returns -1.
If the function returns -1, print Invalid Input.
Input and Output Format: Input consists of 3 integers. Output consists of an integer. Refer sample output for formatting specifications.
Sample Input 1: 4 12 3
Sample Output 1: 48
Sample Input 2: -67 2 1
Sample Output 2: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int a,b,choice,result=0;
Scanner in=new Scanner(System.in);
a = in.nextInt();
b = in.nextInt();
choice = in.nextInt();
if(a<0 || b<0 || a>32767 || b>32767)
System.out.print("Invalid input");
else if((choice<1)||(choice>4))
System.out.print("Invalid input");
else
{
switch(choice)
{
case 1:
result = a+b;
break;
case 2:
result = a-b;
break;
case 3:
result = a*b;
break;
case 4:
result = a/b;
break;
}
System.out.print(result);
}
}
}
15.digitFactorial
Read the question carefully and follow the input and output format.
In a given input number , find out the factorial of each individual digit and assign it to output array.
Input and Output Format: Input consists of a single integer. Output consists of an Integer array, the individual factorials.
Print "Number too large" when the given input numbers is greater than 32767 . Print "Number too small" when the given input is a negative number.
Include a function named digitFactorial(int number) whose return type is void. The output array is stored in a global variable named factorial.
Sample Input 1: 123
Sample Output 1: 1 2 6
Sample Input 2: -2526
Sample Output 2: Number too small import java.util.Scanner; public class Main { public static void main(String[] args) { int n,i,fact,k=0,rem; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); System.exit(0); } if(n>32767) { System.out.println ("Number too large"); System.exit(0);
}
int factorial[]=new int[100];
while(n!=0)
{
rem=n%10;
fact=1;
for(i=1;i<=rem;i++)
{
fact = fact * i;
}
factorial[k]=fact;
k++;
n=n/10;
}
for(i=k-1;i>=0;i--)
System.out.println(factorial[i]);
}
}
16.searchKeys Read the question carefully and follow the input and output format.
Given an integer array, first index represents the key & second index represents the value. Find keys for the given value.
Input and Output Format: First line of input consists of n, the number of elements. Next n lines correspond to the array elements. The next line consistts of an integer that represents the value to be searched. Output consist of an integer array.
- Print "Invalid array size" when size of the array is negative and terminate the program.
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
- Print "Key not found" when there is no keys found.
Include a function named searchKeys(int array[], int size) whose return type is void. The output array is stored in a global variable named found.
Sample Input 1: 8 1 4 2 4 3 4 5 6 4
Sample Output 1: 1 2 3
Sample Input 2: 5 5 6 7 8 9 -5
Sample Output 2: Key not found import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,k=0,se,flag=0,f=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } se=in.nextInt(); if(se<0) { System.out.print("Key not found"); System.exit(0); } int found[]=new int[100]; for(i=0;i<n;i++) { if(a [i]==se) { f=1; found[k]=a [i-1]; k++; } } if(f==0) System.out.print("Key not found"); else { for(i=0;i<k;i++) System.out.println(found[i]); } } } } 17.passCount Read the question carefully and follow the input and output format.
Given a input array, First index Represents RollNo second index represents Mark and so on. Write a program to find the number of students who had cleared the exam.
Note : If marks >=70 then He /she Cleared the exam. Array size is always even.
Input and Output Format :
First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer,
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative number available in the input array and terminate the program.
Include a function named passCount(int array[], int size) whose return type is an integer , the count.
Sample Input 1: 8 1 70 2 55 3 75 4 80
Sample Output 1: 3
Sample Input 2: 5 6 2 8 -2 Sample Output 2: Invalid input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,count=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0 || n%2!=0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) {
System.out.print("Invalid input");
System.exit(0);
}
}
for(i=1;i<n;i=i+2)
{
if(a[i]>=70)
count++;
}
System.out.print(count);
}
}
} 18.5 Multiples --- Average
Write a program to find the average of multiples of 5 upto 'n'. n is given as input.
Include a function named findAverageBy5s that accepts an integer argument and returns a float that corresponds to the average of multiples of 5.
If the input value is negative or greater than 32767, print Invalid Input and terminate the program.
Input and Output Format: Input consists of a single integer. Output consists of a floating point number. Output is displayed correct to 2 decimal places. Refer sample output for formatting specifications.
Sample Input 1: 10
Sample Output 1: 7.50
Sample Input 2: -67
Sample Output 2: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n,i,count=0; double sum=0,avg; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0 || n>32767) { System.out.println ("Number too small"); System.exit(0); } for(i=5;i<=n;i++) { if(i%5==0) { sum=sum+i; count++; } } avg = sum/count; System.out.printf("%.2f",avg); } }
19.Sum of Odd Digits
Write a program to find the sum of the odd digits in a number.
Include a function named sumOddDigits that accepts an integer argument and returns an integer that corresponds to the sum of the odd digits. The function returns -1 if the input is less than zero or if it is greater than 32767.
If the function returns -1, print “Invalid Input”.
Input and Output Format:
The input consists of an integer. The output consists of an integer that corresponds to the sum of the odd digits in the number.
Sample Input 1: 3487
Sample Ouput 1: 10
Sample Input 2: -8
Sample Output 2: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n,i,rem,sum=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0 || n>32767) { System.out.println ("Number too small"); System.exit(0); } else { while(n!=0) { rem=n%10; if(rem%2!=0) sum=sum+rem; n=n/10; } System.out.println (sum); } } } 20.Largest Array
Write a program which takes two arrays of the same size as a input and compares the first element of first array with the first element of second array and stores the largest of these into the first element of the output array. Repeat the process till the last element of the first array is checked with the last element of the second array.
Include a function named largestArray that accepts 3 arguments and its return type is void. The first argument is input array 1, the second argument is input array 2 and the third argument is an int that corresponds to the size of the array. The output array is stored in a global variable named output1.
If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of the largest array. Assume that the maximum number of elements in the array is 20.
Sample Input 1: 4 2 1 3 4 1 9 2 8
Sample Output 1: 2 9 3 8
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -200
Sample Output 3:
Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n,i,j,flag=0;
Scanner in=new Scanner(System.in);
n=in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
System.out.print("Invalid input");
System.exit(0);
}
}
int b[]=new int[n];
for(i = 0; i< n; i++)
{
b[i] = in.nextInt();
if(b[i] < 0)
{
System.out.print("Invalid input");
System.exit(0);
}
}
int output1[]=new int[100];
for(i=0;i<n;i++)
{
if(a[i]>b[i])
{
output1[i]=a [i];
}
else
{
output1[i]=b[i];
}
}
for(i=0;i<n;i++)
{
System.out.println(output1[i]);
}
}
}
}
21.Sum of Prime Numbers
Write a program to find the sum of the prime numbers present in the given input array.
Include a function named sumPrime that accepts 2 arguments and returns an int. The first argument is a pointer to the input array and the second argument is an int that corresponds to the size of the array. The function returns the sum of the prime numbers in the input array.
If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program.
Please note that 1 is neither prime nor composite.
Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of an integer.
Refer sample output for formatting specifications.
Assume that the maximum number of elements in the array is 20.
Sample Input 1: 5 2 4 8 9 11
Sample Output 1: 13
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -200
Sample Output 3: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j,flag=0, sum=0,count=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } for(i=0;i<n;i++) { count=0; for(j=1;j<=a[i];j++) { if(a[i]%j==0) count++; } if(count==2) sum=sum+a[i]; } System.out.print(sum); } } } 22.Leap Year
Write a program to find whether the given input year is a Leap Year.
Include a function named checkLeapYear that accepts an integer and returns an integer. The function returns
- 1 if the input is a Leap Year
- 0 if the input is not a Leap Year
- -1 if the input is a negative number Print Invalid Input if the function returns -1. Input and Output Format: Input consists of a single integer. Refer sample output for formatting specifications. Sample Input 1: 2000 Sample Output 1: yes Sample Input 2: 1610 Sample Output 2: no Sample Input 3: -2345 Sample Output 3: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int year; Scanner in=new Scanner(System.in); year = in.nextInt();
if(year<0)
{
System.out.println("Number too small");
System.exit(0);
}
if(year%4==0)
System.out.println("yes");
else
System.out.println("no");
}
}
23.secondLargest Read the question carefully and follow the input and output format.
Write a function to find second largest number in the given input integer array.
Assume that all elements in the input array are unique.
Input and Output Format :
First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer, which is the second largest.
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative number available in the input array and terminate the program.
Include a function named secondLargest(int array[], int size) whose return type is an integer, the second largest.
Sample Input 1: 5 3 342 53 2 12
Sample Output 1: 53
Sample Input 2: 5 3 342 53 -2
Sample Output 2:
Invalid input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i,j,largest=0,temp;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
System.out.print("Invalid input");
System.exit(0);
}
}
for(i=0 ; i<n ; i++)
{
for(j=i ; j<n ; j++)
{
if(a[i] < a[j])
{
temp = a[j] ;
a[j] = a [i] ;
a [i] = temp ;
}
}
}
System.out.println(a[1]);
}
}
}
24.findFirstLargest
Read the question carefully and follow the input and output format.
Write a function to find the product of the first and the third largest numbers in the given input integer array.
Input and Output Format : First line of input corresponds to n, the size of array and next n lines correspond to the elements of the array
Print "Invalid array size" when size of the array is a negative number and terminate the program Print "Invalid number" when there is any negative numbers available in the input array and terminate the program.
Include a function named findFirstLargest(int n, int array[]) that returns an integer, product of first and third largest numbers.
Sample Input 1: 5 11 241 83 8 2
Sample Output 1: 2651
Sample Input 2: 3 83 -8 Sample Output 2: Invalid number import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j,k,temp; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid number"); System.exit(0); } } for(i=0 ; i<n ; i++) { for(j=i+1 ; j<n ;) { if(a[i]==a[j]) { for(k=j;k<n;k++) a[k]=a[k+1]; n--; } else j++; } } for(i=0 ; i<n ; i++) { for(j=i ; j<n ; j++) { if(a[i] < a[j]) { temp = a[j] ; a[j] = a[i] ; a[i] = temp ; } } } System.out.print(a[0] * a[2]); } } } 25.generateCode Read the question carefully and follow the input and output format.
In a game show everybody got one coupon with some code. They need to generate a code with only even numbers in that coupon. Find the answer.
Input and Output Format : Input consists of an integer. Output consist of an integer, which is the generated code.
- Print "Number too small" when the given input number is a negative number.
- Print "Number too large" when the given input number is greater than 32767.
- Print 0 If the coupon does not contain any even numbers.
Include a function named generateCode(int coupon) whose return type is an integer, which is the generated code.
Sample Input 1: 4352
Sample Output 1: 42
Sample Input 2: 1357
Sample Output 2: 0
Sample Input 3: -1357
Sample Output 3:
Number too small
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int i=1,n,flag=0,rem,res=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n<0)
{
System.out.println ("Number too small");
System.exit(0);
}
if(n>32767)
{
System.out.println ("Number too large");
System.exit(0);
}
while(n!=0)
{
rem=n%10;
if(rem%2==0)
{
res=res+(remi);
i=i10;
}
n=n/10;
}
System.out.println(res);
}
}
26.calculateBonus Read the question carefully and follow the input and output format.
Given the basic salary as input, write a program to calculate the bonus and display it.
The bonus will be calculated based on the below category. Basic>20000 bonus=17%of basic+1500 Basic>15000 bonus=15%of basic+1200 Basic>10000 bonus=12%of basic+1000 for rest =8%of basic+500
Input and Output Format :
First line of input consists of n, the basic salary. Output is a single integer that displays the bonus.
Print "Number too large" when the given input numbers is greater than 32767 . Print "Number too small" when the given input is a negative number.
Include a function named calculateBonus(int basic) whose return type is an integer, the bonus.
Sample Input 1: 21000
Sample Output 1: 5070
Sample Input 2:
327678
Sample Output 2:
Number too large
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n,res=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n<0)
{
System.out.println ("Number too small");
System.exit(0);
}
if(n>32767)
{
System.out.println ("Number too large");
System.exit(0);
}
if(n>20000)
res=(n17/100)+1500;
else if(n>15000)
res=(n15/100)+1200;
else if(n>10000)
res=(n12/100)+1000;
else
res=(n8/100)+500;
System.out.println(res);
}
}
27.Minimum of 3
Write a program to find the minimum of 3 numbers.
Include a function named findSmallest that accepts 3 integer arguments and returns an integer that corresponds to the minimum value.
Input and Output Format:
Input consists of 3 integers.
Output consists of an integer.
Refer sample output for formatting specifications.
Sample Input 1:
4
12
3
Sample Output 1:
3
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int a,b,c;
Scanner in=new Scanner(System.in);
a = in.nextInt();
b = in.nextInt();
c = in.nextInt();
if(a<b && a<c)
System.out.print(a);
else if(b<a && b<c)
System.out.print(b);
else
System.out.print(c);
}
}
28.Sort and Delete
Write a program to delete the given number in the input array and then to sort the array.
Include a function named sortAndDelete that accepts 3 arguments and its return type is void. The first argument is the input array and the second argument is an int that corresponds to the size of the array and the third argument is the array element to be deleted. The number of elements in the modified array is stored in the global variable named output1.
If the size of the array is negative or if any of the elements in the array are negative , print “Invalid Input” and terminate the program.
Please note that the elements in the array may not be unique.
Input and Output Format:
Input consists of n+2 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. The last integer corresponds to the element to be deleted. Output consists of an integer array.
Refer sample output for formatting specifications.
Assume that the maximum number of elements in the array is 20.
Sample Input 1:
8
1
6
3
5
8
10
4
8
8
Sample Output 1:
1
3
4
5
6
10
Sample Input 2:
-5
Sample Output 2: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i,j,k=0,temp,elt;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
System.out.print("Invalid number");
System.exit(0);
}
}
elt=in.nextInt();
int output1[]=new int[20];
for(i=0;i<n;i++)
{
if(a[i]!=elt)
{
output1[k]=a [i];
k++;
}
}
for(i=0;i<k;i++)
{
for(j=i;j<k;j++)
{
if(output1[i]>output1[j])
{
temp = output1[j];
output1[j] = output1[i];
output1[i] = temp;
}
}
}
for(i=0;i<k;i++)
{
System.out.println(output1[i]);
}
}
}
}
29.generateNewNumber
Read the question carefully and follow the input and output format.
Write a program to generate new number from the given input based on following conditions.
(i) Even digit should be replaced by next Even digit. (ii) Odd digit should be replaced with next Odd digit
Input and Output Format : Input consists of an integer. Output is also an integer.
- Print "Number too small" when any of given input numbers is a negative number.
- Print "Number too large" when any of given input numbers is greater than 32767.
Sample Input 1: 123
Sample Output 1: 345
Sample Input 2: 32768
Sample Output 2: Number too large import java.util.Scanner; public class Main { public static void main(String[] args) { int i=1,n, rem,res=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); System.exit(0); } if(n>32767) { System.out.println ("Number too large"); System.exit(0); } while(n!=0) { rem=n%10; if(rem%2==0) { res=(rem+2)i+res; i=i10; } else { res=(rem+2)i+res; i=i10; } n = n/10; } System.out.println (res); } } 30.findMileage Read the question carefully and follow the input and output format.
Given the cubic capacity(CC) of a bike. Write a function to return the mileage/liter for the given Cubic Capacity(CC). The mileage will be calculated as follows:
if CC is between 100 and 125, mileage is 75 if CC is between 126 and 135, mileage is 70 if CC is between 136 and 150, mileage is 60 if CC is between 151 and 200, mileage is 50 if CC is between 201 and 220, mileage is 35
First line of input consists of an integer that corresponds to CC of a bike. Output consist of an integer, which is the mileage.
Print "Number too large" when the given input CC is greater than 220. Print "Number too small" when the given input CC is less than 100.
Include a function named findMileage(int cc) whose return type is an integer, which is the mileage.
Sample Input 1: 1
Sample Output 1: Number too small
Sample Input 2: 160
Sample Output 2:
50
import java.util.*;
public class Main
{
public static void main(String[] args)
{
int cc,mil;
Scanner in=new Scanner(System.in);
cc = in.nextInt();
if(cc<100)
System.out.println ("Number too small");
else if(cc>220)
System.out.println ("Number too large");
else
{
if(cc>=100 && cc<=125)
mil=75;
else if(cc>=126 && cc<=135)
mil=70;
else if(cc>=136 && cc<=150)
mil=60;
else if(cc>=151 && cc<=200)
mil=50;
else
mil=35;
System.out.println (mil);
}
}
}
31.sumPrimeArray Read the question carefully and follow the input and output format.
John is working in a bank. He has created account details transaction in a file and protected it with a password. He sent the file to his manager for review. The file is protected with a password. The password is the sum of Prime numbers. Write a function to generate the password.
Input and Output Format: First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer, which is the sum.
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative number available in the input array and terminate the program.
- Print 0, when there are no prime numbers in a given input array.
Include a function named sumPrimeArray(int array[], int size) whose return type is an integer, which is the prime sum.
Sample Input 1: 5 1 2 3 4 5
Sample Output 1: 10
Sample Input 2: 3 4 8 9
Sample Output 2: 0 import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j, sum=0,count=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid input"); System.exit(0); } } //if(flag!=1) // { for(i=0;i<n;i++) { count=0; for(j=1;j<=a[i];j++) { if(a[i]%j==0) count++; } if(count==2) sum=sum+a[i]; } System.out.print(sum); //} } } }
- avgOddKeyValues Read the question carefully and follow the input and output format.
Given an input array, First index represents key and second index represents the value and so on... Write code to find out the average of all values whose keys are odd numbers.
Input and Output Format : First line of input consists of n, the next n lines correspond to the elements of the array. Output consist of the an integer.
Print "Invalid array size" when size of the array is a negative number and terminate the program. Print "Invalid input" when there is any negative number available in the input array and terminate the program.
Sample Input 1: 8 1 3 2 4 3 16 4 25 Sample Output 1: 9
Sample Input 2: -3 Sample Output 2: Invalid array size import java.util.Scanner; public class Main { public static void main(String[] args) { int n,i, sum=0,count=0,avg; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { // flag=1; System.out.print("Invalid input"); System.exit(0); } } // if(flag!=1) // { for(i=0;i<n;i=i+2) { if(a[i]%2!=0) { sum=sum+a[i+1]; count++; } } avg = sum/count; System.out.print(avg); // } } } } 33.Product of MaxMin Element Write a program to find the product of the maximum and minimum element in a given input array. Include a function named productOfMaxMin that accepts 2 arguments and returns an int. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The function returns an int that corresponds to the product of maximum and minimum element. If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program. Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of an integer that corresponds to the product of maximum and minimum element in the array. Assume that the maximum number of elements in the array is 20.
Sample Input 1: 8 2 12 3 4 6 8 10 9
Sample Output 1: 24
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -200
Sample Output 3: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n,i,j,temp,prod; //int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid input"); System.exit(0); } } //if(flag!=1) //{ for(i=0;i<n;i++) { for(j=i+1;j<n;j++) { if(a[i]<a[j]) { temp = a[j]; a[j] = a[i]; a[i] = temp; } } } prod = a[0] * a[n-1]; System.out.print(prod); //} } } } 34.registerAccountNumbers
Read the question carefully and follow the input and output format.
Given an array in which the elements are in xxxyy format, where first xxx digits represent the Branch code and the yy represents the account id. Find out the No of accounts in the given branch code
Input and Output Format : The first input n corresponds to the size of the array, the next n lines correspond to the elements of the array and the last line of the input corresponds to the branch code. Output corresponds to the number of accounts in the given branch code If the given branch code is not available, print 0.
- Print "Invalid array size" when size of the array is a negative number and terminate the program
- Print "Invalid account Number" when there is any negative number available in the input array and terminate the program
- Print "Invalid branch code" when branch code is negative number and terminate the program
Include a function named registerAccountNumbers (int size, int account_numbers[], int branch_code) that returns the no of accounts
Sample Input 1 : 6 12345 12370 12324 13355 13333 14575 123
Sample Output 1 : 3
Sample Input 2 : -6
Sample Output 2: Invalid array size
import java.util.Scanner; public class Main { public static void main(String[] args) { int n,i,bcode,code,temp,count=0; //int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid account number"); System.exit(0); } } // if(flag!=1) // { bcode=in.nextInt(); if(bcode<0) { System.out.println("Invalid branch code"); System.exit(0); } for(i=0;i<n;i++) { temp=a[i]; code=temp/100; if(code==bcode) count++; } System.out.print(count); // } } } }
35.newArraySum Read the question carefully and follow the input and output format.
Given an input array which contains age of some employees, write a program to find the sum of ages of employees greater than 18.
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer, which is the sum.
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative number available in the input array and terminate the program.
Include a function named newArraySum(int age[],int size) whose return type is an integer, which is the sum.
Sample Input 1: 5 21 22 17 10 25 Sample Output 1: 68
Sample Input 2: 6 50 -36
Sample Output 2:
Invalid input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n,i, sum=0;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
// flag=1;
System.out.print("Invalid Input");
System.exit(0);
}
}
// if(flag!=1)
// {
for(i=0;i<n;i++)
{
if(a[i]>18)
sum=sum+a[i];
}
System.out.print(sum);
// }
}
}
}
36.Array Product
Write a program to find the product of positive/nonnegative elements in a given array.
Include a function named calculateProduct that accepts 2 arguments and returns an int. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The function returns an int that corresponds to the product.
If the size of the array is negative or if it is greater than 10 or if any element in the array is more than 2 digits, print “Invalid Input” and terminate the program.
Input and Output Format:
Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array.
Output consists of an integer that corresponds to the product of positive numbers in the array.
Sample Input 1: 8 1 -2 3 4 -6 8 10 -6
Sample Output 1: 960
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 200
Sample Output 3: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n,i, prod=1;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0 || n>10)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i]>=100 || a[i]<=-100)
{
//flag=1;
System.out.print("Invalid Input");
System.exit(0);
}
}
//if(flag!=1)
//{
for(i=0;i<n;i++)
{
if(a[i]>0)
prod=prod*a[i];
}
System.out.print(prod);
//}
}
}
}
37.Perfect Number
Write a program to find whether the given number is a perfect Number.
A number is a perfect number if the sum of the proper divisors of the number is equal to the number itself.
Include a function named findPerfect that accepts an integer argument and returns an integer. The function returns
-
1 if the input is a Perfect Number -
0 if the input is not a Perfect Number -
-1 if the input is a negative number or if it is greater than 32767
Input and Output Format: Input consists of a single integer. Output consists of a string. Refer sample output for formatting specifications.
Sample Input 1: 6
Sample Output 1: yes
Sample Input 2: 241
Sample Output 2: no
Sample Input 3: -9
Sample Output 3: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n,i,sum=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println("Number too small"); // flag=1; System.exit(0); } if(n>32767) { System.out.println("Number too large"); // flag=1; System.exit(0); } // if(flag==0) // { for(i=1;i<n;i++) { if(n%i==0) sum=sum+i; // } if(sum==n) System.out.println("yes"); else System.out.println("no"); } } } 38.Squares of Even Digits Write a program to find the sum of the squares of even digits in a number. Include a function named sumSquareEven that accepts an integer argument and returns an integer . The function returns -1 if the number is less than zero or if the number is greater than 32767. Print Invalid Input if the function returns -1. Input and Output Format: Input consists of an integer. Output consists of an integer. Refer sample output for formatting specifications. Sample Input 1: 3487 Sample Ouput 1: 80 Sample Input 2: -8 Sample Output 2: Invalid Input import java.util.Scanner; public class Main { public static void main(String[] args) { int i,n ,rem,res=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); System.exit(0); } if(n>32767) { System.out.println ("Number too large"); System.exit(0); } while(n!=0) { rem=n%10; if(rem%2==0) res=res+(rem*rem); n=n/10; } System.out.println(res); } }
39.sumPrimeArray Read the question carefully and follow the input and output format.
John is working in a bank. He has created account details transaction in a file and protected it with a password. He sent the file to his manager for review. The file is protected with a password. The password is the sum of Prime numbers. Write a function to generate the password.
Input and Output Format: First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer, which is the sum.
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative number available in the input array and terminate the program.
- Print 0, when there are no prime numbers in a given input array.
Include a function named sumPrimeArray(int array[], int size) whose return type is an integer, which is the prime sum.
Sample Input 1: 5 1 2 3 4 5
Sample Output 1: 10
Sample Input 2: 3 4 8 9
Sample Output 2: 0 import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j, sum=0,count=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { // flag=1; System.out.print("Invalid input"); System.exit(0); } } //if(flag!=1) //{ for(i=0;i<n;i++) { count=0; for(j=1;j<=a[i];j++) { if(a[i]%j==0) count++; } if(count==2) sum=sum+a[i]; } System.out.print(sum); //} } } } 40. Array Multiplication in Reverse A company wanted to know the reward points of the employee so that at the end of every month they will credit some amount along with their salary. Each employee has 2 separate lists, in first list records will be sorted in employee’s employee number in ascending order. Second list records will be sorted in employee’s employee number in descending order. Hence the management has decided to multiply both the reward points and credit the amount based on the points. Here they followed the formula for multiplying the first entry value in the first list with the last entry value in the second list and second entry from the first list with the second last record from the second list. Repeat the same for all the entries in the lists. Include a function named arrayProduct that accepts 3 arguments and ints return type is void. The first argument is the input array 1, the second argument is the input array 2 and the third argument is an int that corresponds to the size of the array. The output array is stored in a global variable named output1.
If the size of the array is negative or if any element in any of the array is negative , print “Invalid Input” and terminate the program. Input and Output Format: Input consists of utmost 2n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the first array. The last 'n' integers correspond to the elements in the second array. If any of the inputs are invalid, then terminate the program. Output consists of n integers that correspond to the elements in the result array. Assume that the maximum size of the array is 20. Sample Input 1 : 5 23 2 5 32 76 2 2 21 42 4
Sample Output 1 : 92 84 105 64 152 Sample Input 2: -5 Sample Output 2: Invalid Input Sample Input 3: 5 23 2 -5
Sample Output 3:
Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i,j;
// int flag=0;
Scanner in=new Scanner(System.in);
n=in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
// flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
int b[]=new int[n];
for(i = 0; i< n; i++)
{
b[i] = in.nextInt();
if(b[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
// if(flag!=1)
//{
int c[]=new int[20];
for(i=0,j=n-1;i<n&&j>=0;i++,j--)
{
c[i] = a[i]*b[j];
System.out.println(c[i]);
}
//}
}
}
}
41.University Type Write a program to find if the student is eligible for first, second or third grade universities by finding the average of their marks given in the input integer array. Grade should be calculated as given below : Average >80 First Grade University Average >60 Second Grade University Otherwise Third Grade University Include a function named calculateGrade that accepts 2 arguments and returns an integer. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The function returns an integer that corresponds to the university type. The function returns 1 if the student is eligible for First Grade univesity, returns 2 if the student is eligible for Second Grade University, returns 3 if the student is eligible for Third Grade University and returns -1 if the average is greater than 99. If the size of the array is negative or if any element in the array is negative or if the average marks scored by the student is greater than 99 , print “Invalid Input” and terminate the program. Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of a string --- “First Grade University” or “Second Grade University” or “Third Grade University” or “Invalid Input”. Assume that the maximum size of the array is 20. Sample Input 1: 5 92 87 78 74 80
Sample Output 1:
First Grade University
Sample Input 2:
-5
Sample Output 2:
Invalid Input
Sample Input 3:
5
23
2
-5
Sample Output 3:
Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i, sum=0,avg=0;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
//if(flag!=1)
//{
for(i=0;i<n;i++)
sum=sum+a[i];
avg=sum/n;
if(avg>99)
System.out.print ("Invalid Input");
else if(avg>80)
System.out.print ("First Grade University");
else if(avg>60)
System.out.print ("Second Grade University");
else
System.out.print ("Third Grade University");
//}
}
}
}
42.Interchange Array Write a program to interchange the first element in the array with the last element in the array. Repeat the process till the middle of the array. Include a function named interchangeArray that accepts 2 arguments and its return type is void. The first argument is the input array and the second argument is an int that corresponds to the size of the array. If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program. Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of the interchanged array. Assume that the maximum number of elements in the array is 20. Sample Input 1: 4 2 1 3 4
Sample Output 1: 4 3 1 2 Sample Input 2: -5 Sample Output 2: Invalid Input Sample Input 3: 5 23 2 -200 Sample Output 3: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j,temp=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { // flag=1; System.out.print("Invalid input"); System.exit(0); } } // if(flag!=1) //{ for(i=0,j=n-1;i<n/2;i++,j--) { temp = a [i]; a [i] = a [j]; a [j] = temp; } for(i=0;i<n;i++) System.out.println(a[i]);
//}
}
}
}
43.Armstrong Number Write a program to find whether the given input number is an Armstrong Number. Include a function named checkArmstrong that accepts an integer and returns an integer. The function returns
-
yes if the input is an Armstrong number -
no if the input is not an Arnstrong number -
Invalid Input if the input is a negative number or if the input is not a 3-digit number.
Print Invalid Input if the function returns -1.
Input and Output Format:
Input consists of a single integer.
Refer sample output for formatting specifications.
Sample Input 1:
153
Sample Output 1:
yes
Sample Input 2:
161
Sample Output 2:
no
Sample Input 3:
2345
Sample Output 3:
Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, sum=0,temp,rem;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n<0||n>999)
{
System.out.println ("Invalid Input");
flag=1;
}
// if(flag==0)
{
temp=n;
while (n != 0)
{
rem = n%10;
sum = sum + (remremrem);
n = n/10;
}
if (temp == sum)
System.out.println("yes");
else
System.out.println("no");
//}
}
}
44.Factorial Write a program to find the factorial of a given number. Include a function named findFactorial that accepts an integer argument and returns an integer that corresponds to factorial. If the input value is negative or greater than 10, the function returns -1. If the function returns -1, print Invalid Input. Input and Output Format: Input consists of a single integer. Output consists of an integer. Refer sample output for formatting specifications. Sample Input 1: 4 Sample Output 1: 24 Sample Input 2: -67 Sample Output 2: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, fact=1,i; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0||n>10) { System.out.println ("Invalid Input"); flag=1; } //if(flag==0) //{ for(i=1;i<=n;i++) { fact = fact * i; } System.out.println (fact); //} } }
45.Salary Calculation Jim got his salary. His salary calculations are as follows. From his Basic amount he gets 50% of his basic for house Rent allowances and 75% of his basic as special allowances . If the number of days he worked is 31 he gets 500 extra. Write a program to calculate his gross salary after calculating all his salary split up.
Include a function named calculateGross that accepts 2 integer arguments and returns a float. The first integer corresponds to Jim's basic salary and the second integer corresponds to the number of days Jim has worked. The function returns a float that corresponds to the gross salary. Print Invalid Input and terminate the program in the following cases:
-
Basic salary is greater than 10000 -
Number of working days is greater than 31 -
Basic salary is negative -
Number of working days is 0 or negative
Input and Output Format:
Input consists of 2 integers. The first integer corresponds to Jim's basic salary and the second integer corresponds to the number of days he has worked.
Output consists of a single float that corresponds to Jim's gross salary. The gross salary is displayed correct to 2 decimal places.
Sample Input 1:
5000
30
Sample Output 1:
11250 .00
Sample Input 2:
5000
0
Sample Output 2:
Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int basic=0,days=0;
double salary;
Scanner in=new Scanner(System.in);
basic=in.nextInt();
days= in.nextInt();
if(basic>10000 || days>31 || basic<0 || days==0 || days<0)
{
System.out.println("Invalid Input");
System.exit(0);
}
if(days==31)
salary=(basic50)/100+(basic75)/100+basic+500;
else
salary=(basic50)/100+(basic75)/100+basic;
System.out.printf("%.2f",salary);
}
}
46.Perfect Square Write a program to find whether the given input number is a perfect square without using sqrt function. Include a function named checkPerfectSquare that accepts an integer and returns an integer. The function returns
-
1 if the input is a perfect square -
0 if the input is not a perfect square -
-1 if the input is a negative number
Print Invalid Input if the function returns -1. Input and Output Format: Input consists of a single integer. Refer sample output for formatting specifications. Sample Input 1: 36 Sample Output 1: yes Sample Input 2: 40 Sample Output 2: no Sample Input 3: -2345
Sample Output 3: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i,fact=1;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n<0)
{
System.out.println ("Invalid Input");
//flag=1;
System.exit(0);
}
// if(flag==0)
// {
for(i=1;i<=n;i++)
{
fact=fact*i;
if(fact==n)
{
System.out.println("yes");
System.exit(0);
}
}
System.out.println("no");
// }
}
}
47.Find Index Write a program to find the index of a particular number in a given input array.
Include a function named findIndex that accepts 3 arguments and returns an int. The first argument is the input array, the second argument is an int that corresponds to the size of the array and the third argument is the element to be searched for. The function returns the corresponding index if the search element is present in the array and returns -1 if the search element is not present in the array.
If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of n+2 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. The last integer corresponds to the element whose count needs to be found. Output consists of an integer that corresponds to the index of the search element if it is present.
Else, print 'not found'.
Refer sample output for formatting specifications.
Assume that the maximum number of elements in the array is 20 and that all elements in the array are unique.
Sample Input 1: 8 2 1 3 8 6 12 10 19 8
Sample Output 1: 3
Sample Input 2: 8 2 1 3 8 6 12 10 19 80
Sample Output 2: not found
Sample Input 3: -5
Sample Output 3: Invalid Input
Sample Input 4: 5 23 2 -200
Sample Output 4: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,se,index=0,f=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid input"); System.exit(0); } } // if(flag!=1) // { se=in.nextInt(); for(i=0 ; i<n ;i++) { if(a [i]==se) { f=1; index = i; System.out.print(index); System.exit(0); } } if(f==0) System.out.print("not found"); //} } } }
48.Descending Order Sort Write a program to sort the given array in descending order. Include a function named sortArray that accepts 2 arguments and its return type is void. The first argument is the input array and the second argument is an int that corresponds to the size of the array. If the size of the array is negative or if any of the elements in the array are negative , print “Invalid Input” and terminate the program. Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of an integer array. Refer sample output for formatting specifications. Assume that the maximum number of elements in the array is 20. Sample Input 1: 8 1 6 3 5 8 10 4 9
Sample Output 1: 10 9 8 6 5 4 3 1
Sample Input 2: -5 Sample Output 2: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i,j,temp=0;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
// if(flag!=1)
// {
for(i=0 ; i<n ; i++)
{
for(j=i+1 ; j<n ; j++)
{
if(a[i]<a[j])
{
temp = a[i];
a[i] = a[j];
a[j] = temp;
}
}
}
for(i=0 ; i<n ; i++)
System.out.println(a[i]);
//}
}
}
}
49.endWithThree
Read the question carefully and follow the input and output format.
Given an input array, Find out the count of numbers that ends with 3.
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of the count of numbers that ends with 3.
Print "Invalid array size" when size of the array is a negative number and terminate the program Print "Invalid input" when there is any negative number available in the input array and terminate the program.
Sample Input 1: 5 23 353 33 12 14 Sample Output 1: 3
Sample Input 2: 5 1 7 3 -8 Sample Output 2: Invalid input import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j, temp,count=0,rem; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { // flag=1; System.out.print("Invalid input"); System.exit(0); } } // if(flag!=1) // { for(i=0 ; i<n ; i++) { temp = a[i]; rem = temp%10; if(rem==3) count++; } System.out.print(count); // } } } }
50.feeCalculation Read the question carefully and follow the input and output format.
Student Fees is calculated according to the student's 10th marks. The student will get discount in fees as follows :
Marks discount(%)
90 - 50% 81-90 - 25% 70-80 - 10% <70 - 0% Calculate the fees according to above table.
Note: Formula : fees - (fees* discount(%)) Print "Invalid mark" if the mark is greater than 100 Print "Invalid fee" if the fee is greater than 32767 Print "Invalid input" if any of the input is negative
Input and Output Format : First line of input represents the fee, second line of input represents the marks of student.
Sample Input 1: 10000 95 Sample Output 1: 5000
Sample Input 2:
15896
101
Sample Output 2:
Invalid mark
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int fees,marks;
double discount,fee_final=0;
Scanner in=new Scanner(System.in);
fees = in.nextInt();
marks = in.nextInt();
if(marks>100)
System.out.print("Invalid mark");
else if(fees>32767)
System.out.print("Invalid fees");
else if(marks<0 || fees<0)
System.out.print("Invalid input");
else
{
if(marks>90)
discount = .50;
else if(marks>80 && marks<=90)
discount = .25;
else if(marks>=70 && marks<=80)
discount = .10;
else
discount = 0;
fee_final = fees-(fees*discount);
System.out.printf("%.0f",fee_final);
}
}
}
51.sumTwoFive Read the question carefully and follow the input and output format.
Given an integer array find the sum of elements which end with 2 or 5.
Input and Output Format: First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer, the sum.
- Print "Invalid array size" when size of the array is negative .
- Print "Invalid input" when there is any negative number available in the input array and terminate the program.
Include a function named sumTwoFive(int array[], int size) whose return type is an integer, the sum
Sample Input 1: 5 22 35 5 2 10
Sample Output 1: 64
Sample Input 2: -6
Sample Output 2: Invalid array size
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i, temp,sum=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid input"); System.exit(0); } } // if(flag!=1) // { for(i=0;i<n;i++) { temp = a[i]; rem = temp % 10; if(rem==2 || rem==5) sum = sum+a[i]; } System.out.print(sum); // } } } } 52.Sum of Odd Digits Write a program to find the sum of the odd digits in a number.
Include a function named sumOddDigits that accepts an integer argument and returns an integer that corresponds to the sum of the odd digits. The function returns -1 if the input is less than zero or if it is greater than 32767.
If the function returns -1, print “Invalid Input”.
Input and Output Format:
The input consists of an integer. The output consists of an integer that corresponds to the sum of the odd digits in the number.
Sample Input 1: 3487
Sample Ouput 1: 10
Sample Input 2: -8
Sample Output 2: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, rem,sum=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); flag=1; } if(n>32767) { System.out.println ("Number too large"); // flag=1; } //if(flag==0) //{ while (n != 0) { rem=n%10; if(rem%2!=0) sum=sum+rem; n=n/10; } System.out.print(sum); // } } } 53.LCM
Write a program to calculate the LCM of the 2 given integers.
Include a function named calculateLCM that accepts 2 integer arguments and returns an int that corresponds to the LCM of the 2 numbers.
Print Invalid Input and terminate the program in the following cases:
-
Any of the 2 inputs is greater than 1000 -
Any of the 2 inputs is negative
Input and Output Format: Input consists of 2 integers. Output consists of a single integer that corresponds to the LCM.
Sample Input 1: 10 8
Sample Output 1: 40
Sample Input 2: 50000
Sample Output 2: Invalid Input
import java.util.;
public class Main
{
public static void main(String[] args)
{
int a, b, i, c=0;
Scanner in=new Scanner(System.in);
a = in.nextInt();
b = in.nextInt();
if(a>1000 || b>1000 || a<0 || b<0)
{
System.out.print ("Invalid input");
System.exit(0);
}
c=ab;
int d=c;
for(i=1;i<=c;i++)
{
if(i%a==0 && i%b==0 && i<d)
d=i;
}
System.out.println(d);
}
}
54.Product of Prime Digits
Write a program to find the product of the prime digits in the given input number.
Include a function named productPrimeDigits that accepts an integer argument and returns an integer that corresponds to the product of the prime digits in the integer. The function returns -1 if the input number is negative or greater than 32767.
If the function returns -1, print Invalid Input. Please note that 1 and 0 are neiher prime nor composite.
Input and Output Format: Input consists of an integer. Output consists of an integer. Refer sample output for formatting specifications.
Sample Input 1: 324
Sample Output 1: 6
Sample Input 2: -67
Sample Output 2:
Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int i,n, rem,prod=1,f=0,count=0;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n<0)
{
System.out.println ("Number too small");
flag=1;
}
if(n>32767)
{
System.out.println ("Number too large");
flag=1;
}
// if(flag==0)
// {
while (n != 0)
{
rem=n%10;
count=0;
for(i=1;i<=rem;i++)
{
if(rem%i==0)
count++;
}
if(count==2)
{
f=1;
prod = prod*rem;
}
n=n/10;
}
if(f==1)
System.out.println (prod);
// }
}
}
55.dailyAllowance
Read the question carefully and follow the input and output format.
A Sales person daily allowances calculated as follows . Item Money (rupees) Shirt 15 Saree 10 other items 5
Given an input array in which the first index represents no.of shirts sold, second index represents the no of sarees sold and the third index represents the other items sold for a particular day, Calculate the total allowances.
Inlcude a function named dailyAllowance(int items[], int size) that returns an integer, which is the total allowances.
Business Rules:
- Print "Invalid array size" when size of the array is a negative number and terminate the program
- Print "Invalid item count" when there is any negative numbers available in the input array and terminate the program
- Print "Array size greater than 3" when size of the array is greater than 3 and terminate the program.
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of the total allowance.
Sample Input 1: 3 10 5 10 Sample Output 1: 250
Sample Input 2: 4
Sample Output 2: Array size greater than 3 import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else if(n>3) { System.out.print("Array size greater than 3"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid item count "); System.exit(0); } } // if(flag!=1) // { int shirt=15,saree=10,other=5,allowance=0; for(i=0;i<n;i++) { allowance = (a[0]*shirt) + (a[1]*saree) + (a[2]*other); } System.out.print(allowance); // } } } } 56.generateNumber
Read the question carefully and follow the input and output format.
Given an input number keep the prime digits as it is and the remaining digit in given input number should be replaced with next number(add +1 to the digit).
Print "Number too small" if the number is less than 0 Print "Number too large" if the number is greater than 32767 note : If any digit in the given input is 9 replace with 0. Consider 1 is not a prime number.
Include a function generateNumber(int number) that returns the generated number
Input and Output Format : Input is a single integer. Output is the generated number
Sample Input 1: 6234
Sample Output 1: 7235
Sample Input 2: 32768
Sample Output 2: Number too large import java.util.Scanner; public class Main { public static void main(String[] args) { int i=1,n, rem,res=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); //flag=1; System.exit(0); } if(n>32767) { System.out.println ("Number too large"); //flag=1; System.exit(0); } // if(flag==0) //{ while (n != 0) { rem=n%10; if(rem==2 || rem==3 || rem==5 || rem==7) { res=res+(remi); i=i10; } else if(rem==9) { res=res+0; i=i*10; } else { res=res+((rem+1)i); i=i10; } n = n/10; } System.out.println (res); //} } } 58.findEmployeeID Read the question carefully and follow the input and output format.
In a given input array, elements are given in this Format PPPII, where PPP represents the Project Code and II represents employee id . Find out the Employee Ids who are working in the given project code.
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements. The next line corresponds to the project code. Output consists of the employee id's.
- Print "Invalid array size" when size of the array is a negative number and terminate the program
- Print "Invalid employee id" when there is any negative numbers available in the input array and terminate the program
- Print "Invalid project code" when branch code is negative number and terminate the program
Include a function named findEmployeeID(int size,int employee_ids[],int project_code). Its return type is void. The output array is stored in a global variable named working_employee.
Sample Input 1: 5 12345 12334 23457 23478 12546 123 Sample Output 1: 45 34
Sample Input 2: 5 12345 12334 23457 -23478
Sample Output 2: Invalid employee id
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i, pcode=0,count=0,temp=0,code=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid employee id "); System.exit(0); } } //if(flag!=1) //{ int b[]=new int[20]; pcode=in.nextInt(); if(pcode<0) { System.out.print ("Invalid project code"); System.exit(0); } for(i=0;i<n;i++) { temp=a[i]; code=temp/100; if(code==pcode) { b[count]=a[i]%100; count++; } } for(i=0;i<count;i++) System.out.println("%d\n",b[i]); //} } } }
59.Array Addition in Reverse
In an export company, the clothes are stored in boxes and are shipped in three different ships. Each box has a number on it. The boxes are stored in ships in specific pattern as below:
- First box number in Ship1 + Last box number in Ship2 = first box number in Ship3.
- Second box number in Ship1 + Second Last box number in Ship2 = Second box number in ship3. Similarly all the boxes are numbered in ship3. Assuming the count of boxes in each ship is equal, find the box numbers in ship3.
Include a function named arrayAddition that accepts 3 arguments and its return type is void. The first argument is the input array 1, the second argument is the input array 2 and the third argument is an int that corresponds to the size of the array. The output is stored in an array variable named output1.
If the size of the array (the number of boxes) is negative or if any element in any of the array is negative , print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of utmost 2n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the first array(i.e box numbers in ship 1). The last 'n' integers correspond to the elements in the second array (i.e box numbers in ship 2). If any of the inputs are invalid, then terminate the program.
Output consists of n integers that correspond to the box numbers in ship 3.
Assume that the maximum size of the array is 20.
Sample Input 1 : 5 23 2 5 32 76 2 9 21 42 4
Sample Output 1 : 27 44 26 41 78
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -5
Sample Output 3: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i,j;
// int flag=0;
Scanner in=new Scanner(System.in);
n=in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
int b[]=new int[n];
for(i = 0; i< n; i++)
{
b[i] = in.nextInt();
if(b[i] < 0)
{
// flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
// if(flag!=1)
// {
int c[]=new int[20];
for(i=0,j=n-1;i<n&&j>=0;i++,j--)
{
c[i] = a[i]+b[j];
System.out.println(c[i]);
}
// }
}
}
}
60.adjecentDifference
Read the question carefully and follow the input and output format.
Given an input Integer array, find the difference in the adjacent elements and print the largest difference
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of largest adjacent difference.
Print "Invalid array size" when size of the array is a negative number and terminate the program Print "Invalid input" when there is any negative number available in the input array and terminate the program. Sample Input 1: 7 2 4 5 1 9 3 8 Sample Output 1: 8
Hint: The AdjecentElement Diff are :2,1,4,8,6,5 and Maximum diff is 8 which is obtained by 2-4 =2, 4-5=1,5- 1 =4, 1-9=8,9-3=6,3-8 =5
Sample Input 2: 5 1 7 3 -8 Sample Output 2: Invalid input import java.util.*; public class Main { public static void main(String[] args) { int n, i,diff,max=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[100]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } for(i=0;i<n-1;i++) { if(a[i]>a[i+1]) diff=a[i]-a[i+1]; else diff=a [i+1]-a[i]; if(diff>max) max=diff; } System.out.print(max); } } }
61.Duplicate Elements Tim is working as a data entry staff in a college. His manager wants him to delete the duplicate student id from the entry. Help Tim in writing a program to delete the duplicate elements. Include a function named eliminateDuplicate that accepts 2 arguments and its return type is void. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The output array is stored in a global variable named output1 and the number of elements in the output array is stored in the global variable named output 2. If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program. Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of an integer array. Refer sample output for formatting specifications. Assume that the maximum number of elements in the array is 20. Sample Input 1: 8 1 6 3 5 6 8 5 9 Sample Output 1: 1 6 3 5 8 9
Sample Input 2: -5 Sample Output 2: Invalid Input Sample Input 3: 5 23 2 -200
Sample Output 3:
Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i,j, k;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
//if(flag!=1)
//{
for(i=0;i<n;i++)
{
for(j=i+1;j<n;)
{
if(a[i]==a[j])
{
for(k=j;k<n;k++)
a[k]=a[k+1];
n--;
}
else
j++;
}
//}
for(i=0;i<n;i++)
System.out.print(a[i]);
}
}
}
}
62.Second Smallest
Write a program to find the second smallest of all divisors of the given number.
For example, the divisors of 21 are 1,3,7 and 21. The second smallest divisor is 3.
Include a function named secondSmallest that accepts an integer argument and returns an integer. The function returns the second smallest divisor or returns -1 if it is a negative number or if it is greater than 32767.
If the function returns -1, print Invalid Input.
Input and Output Format:
Input consists of a single integer.
Output consists of a single integer.
Refer sample output for formatting specifications.
Sample Input 1:
21
Sample Output 1:
3
Sample Input 2:
-241
Sample Output 2:
Invalid Input
Sample Input 3:
50000
Sample Output 3:
Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int i,n;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n<0)
{
System.out.println ("Number too small");
System.exit(0);
}
if(n>32767)
{
System.out.println ("Number too large");
System.exit(0);
}
else
{
for(i=2;i<=n;i++)
{
if(n%i==0)
{
System.out.println(i);
System.exit(0);
}
}
}
}
}
63.secondMaxMinDiff
Read the question carefully and follow the input and output format.
Given an input array, find the difference b/w second largest and second smallest element in the array.
Hint : There is no repetition of element in the array.
Input and Output Format:
First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer, which is the difference b/w second largest and second smallest..
- Print Invalid array size when size of the array is negative and terminate the program.
- Print Invalid input when there is any negative numbers available in the input array and terminate the program.
Include a function named secondMaxMinDiff(int[] array, int n) whose return type is an integer, which is the difference b/w second largest and second smallest.
Sample Input 1: 5 1 2 3 4 5
Sample Output 1: 2
Sample Input 2: 4 -3
Sample Output 2: Invalid input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i,j, temp=0,diff=0;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
// flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
// if(flag!=1)
// {
for(i=0;i<n;i++)
{
for(j=i+1;j<n;j++)
{
if(a[i]<a[j])
{
temp = array[i];
array[i]=array[j];
array[j]=temp;
}
}
}
diff=a [1]-a [n-2];
System.out.print(diff);
//}
}
}
}
64.newNumber
Read the question carefully and follow the input and output format.
Write a program to find the difference between consecutive digits in the given input integer and display it.
Input and Output Format: Input consists of an integer and output the difference between the consecutive digits.
Print "Number too small" if the number is less than 0 Print "Number too large" if the number is greater than 32767
Sample Input 1: 1325 Sample Output 1: 213
Sample Input 2: -13 Sample Output 2: Number too small
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, rem,i=1,rem1=0,diff=0,digit=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n<0)
{
System.out.println ("Number too small");
System.exit(0);
}
if(n>32767)
{
System.out.println ("Number too large");
System.exit(0);
}
else
{
while(n>10)
{
rem=n%10;
n=n/10;
rem1=n%10;
if(rem>rem1)
diff=rem-rem1;
else
diff=rem1-rem;
digit=digit+(diffi);
i=i10;
}
System.out.println(digit);
}
}
}
65.Digit Counting
In a game show everybody got one coupon with some code. They need to count the digits in the code and send SMS to the given number.
Write a program to find the number of digits in the given number. Include a function named countDigits that accepts an integer argument and returns an integer that corresponds to the number of digits. If the input is a negative number, the function returns -1. If the function returns -1, print Invalid Input. Input and Output Format: Input consists of a single integer. Output consists of an integer that corresponds to the number of digits in the input. Sample Input 1: 250 Sample Output 1: 3 Sample Input 2: -2345 Sample Output 2: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, count=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); System.exit(0); } if(n>32767) { System.out.println ("Number too large"); System.exit(0); } while(n!=0) { count++; n=n/10; } System.out.println (count); } }
66.maxScoreCount
Read the question carefully and follow the input and output format.
Student1 and Student2 are of same class and have recieved their scores for different subjects. Given each subject scores of the Student1 & Student2, Find out in how many subjects student1 has scored more marks than student2.
Input and Output Format : First line of input corresponds to the n, the number of subjects. The next n lines correspond to the scores of Student 1 and the next n lines correspond to the scores of student 2. Output is the number of subjects student1 scored more marks than student2.
Print "Invalid size" when size of the array is a negative number and terminate the program Print "Invalid score" when there is any negative score and terminate the program
Include a function named maxScoreCount(int size,int student1[],int student2[]) that returns an integer, the number of subjects student1 scored more marks than student2
Sample Input 1: 7 45 23 67 34 88 13 67 33 56 89 44 67 89 55
Sample Output 1: 3
Sample Input 2: -3
Sample Output 2: Invalid size
Sample Input 3: 2 30 -60 Sample Output 3: Invalid score import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i, count=0; // int flag=0; Scanner in=new Scanner(System.in); n=in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid score"); System.exit(0); } } int b[]=new int[n]; for(i = 0; i< n; i++) { b[i] = in.nextInt(); if(b[i] < 0) { //flag=1; System.out.print("Invalid score"); System.exit(0); } } // if(flag!=1) { for(i=0;i<n;i++) { if(a[i]>b[i]) count++; } System.out.print(count); } } } } 67.nextPrime Read the question carefully and follow the input and output format.
Write a program to find out the Next Prime to the given number.
Hint: number is always less than 100.
Input and Output Format :
First line of input consists of n, the number. Output is a single integer that displays the next prime.
Print "Number too large" when the given input number is greater than 32767 . Print "Number too small" when given input is a negative number.
Include a function named nextPrime(int num) whose return type is an integer, the next prime.
Sample Input 1: 9
Sample Output 1: 11
Sample Input 2: 98987
Sample Output 2:
Number too large
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int i,j,n;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n<0)
{
System.out.println ("Number too small");
System.exit(0);
}
if(n>32767)
{
System.out.println ("Number too large");
System.exit(0);
}
else
{
int next=0,count=0;
for(i=n+1;i<100;i++)
{
count=0;
for(j=1;j<=i;j++)
{
if(i%j==0)
count++;
}
if(count==2)
{
next=i;
System.out.println(next);
}
}
if(next==0)
System.exit(0);
}
}
}
68.Array Average
Write a program to find the average of the array.
Include a function named avgArray that accepts 2 arguments and returns a float. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The function returns a float that corresponds to the average of the array.
If the size of the array is negative or if any element in the array is negative , print “Invalid Input” and terminate the program.
Input and Output Format:
Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array.
Output consists of a floating point number that corresponds to the average. It is displayed correct to 2 decimal places.
Assume that the maximum size of the array is 20.
Sample Input 1: 7 1 9 8 4 6 4 5 Sample Output 1: 5.29 Sample Input 2: -5 Sample Output 2: Invalid Input Sample Input 3: 5 23 2 -5
Sample Output 3: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i, sum=0; // int flag=0; double avg; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid input"); System.exit(0); } } // if(flag!=1) //{ for(i=0;i<n;i++) { sum=sum+a[i]; } avg=sum/n; System.out.printf("%.2f",avg); //} } } }
69.Strong Number
Write a program to find whether the given input number is a Strong Number
Strong Number : (In a number sum of Factorial of individual digits equals to the same number).
Include a function named checkStrong that accepts an integer and returns an integer. The function returns
-
1 if the input is a Strong Number -
0 if the input is not a Strong Number -
-1 if the input is a negative number
Print Invalid Input if the function returns -1.
Input and Output Format: Input consists of a single integer. Refer sample output for formatting specifications.
Sample Input 1: 145
Sample Output 1: yes
Sample Input 2: 141
Sample Output 2: no
Sample Input 3: -2345
Sample Output 3: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n,num,sum=0,i=0,f=0,r;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n<0)
{
System.out.println ("Number too small");
System.exit(0);
//flag=1;
}
if(n>32767)
{
System.out.println ("Number too large");
System.exit(0);
//flag=1;
}
//if(flag==0)
//{
num=n;
while(n!=0)
{
i=1;
f=1;
r=n%10;
while(i<=r)
{
f=f*i;
i++;
}
sum=sum+f;
n=n/10;
}
if(sum==num)
System.out.println("yes");
else
System.out.println("no");
//}
}
}
70.Sum of Even Digits
In the computer science department, HOD wants to divide students into two groups based on their roll numbers. He decided to find the sum of the even digits in the roll number of each student and decided to split them into 2 groups based on this. Write a program to find the sum of the even digits in a number.
Include a function named addEvenDigits to find the sum of even digits in a number. This function accepts an integer argument and returns an integer. The function returns -1 if the roll number is less than zero or if the roll number is greater than 32767. Refer function specifications given at the end of the problem for further details.
If the roll number is less than 0 or if it exceeds 32767, print “Invalid Input”.
Input and Output Format:
The input consists of an integer that corresponds to the roll number.
The output consists of an integer that corresponds to the sum of the even digits in the roll number.
Sample Input 1:
3487
Sample Ouput 1:
12
Sample Input 2:
-8
Sample Output 2:
Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int i,n,flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); System.exit(0); } if(n>32767) { System.out.println ("Number too large"); System.exit(0); } while(n!=0) { rem=n%10; if(rem%2==0) res=res+rem; n=n/10; } System.out.println(res); } }
71.commonElementsSum Read the question carefully and follow the input and output format.
Given 2 integer arrays , write a program to find the sum of common elements in both the arrays.
If there are no common elements print 0.
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the first array elements and the next n lines correspond to the second array elements. Output consist of an integer, which is the sum
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
Sample Input 1: 4 1 2 3 4 2 3 6 7
Sample Output 1: 5
Sample Input 2: 3 8 6 -7
Sample Output 2: Invalid input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i,j,flag=0,k=0,sum=0;
Scanner in=new Scanner(System.in);
n=in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
int b[]=new int[n];
for(i = 0; i< n; i++)
{
b[i] = in.nextInt();
if(b[i] < 0)
{
flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
if(flag!=1)
{
int common[]=new int[n];
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
if(a[i]== b[j])
{
common[k]=a[i];
k++;
}
}
}
for(i=0;i<k;i++)
sum=sum+common[i];
System.out.println(sum);
}
}
}
}
72.Palindromic Number
Write a program to find whether the given input number is a palindrome.
Include a function named checkPalindrome that accepts an integer and returns an integer. The function returns 1 if the input is a palindrome 0 if the input is not a palindrome -1 if the input is a negative number
Print Invalid Input if the function returns -1.
Input and Output Format: Input consists of a single integer. Refer sample output for formatting specifications.
Sample Input 1: 2002
Sample Output 1: yes
Sample Input 2: 167
Sample Output 2: no
Sample Input 3: -2345
Sample Output 3: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, sum=0,rev=0,rem,temp;
Scanner in=new Scanner(System.in);
n=in.nextInt();
if(n < 0)
{
System.out.print("Invalid input");
System.exit(0);
}
else
{
temp=n;
while(temp!=0)
{
rem=temp%10;
rev=rev*10+rem;
temp=temp/10;
}
if(rev==n)
System.out.print("yes");
else
System.out.print("no");
}
}
}
73.sumEvenIndex Read the question carefully and follow the input and output format.
Write a program to find the sum of the indexes (positions) of even numbers in the Array. Consider 0 index as 1 and 1 index is 2 and so on…… Note : Assume Array Index Starts From 1
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer, which is the sum.
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative number available in the input array and terminate the program.
Sample Input 1: 7 4 2 7 9 1 10 13
Sample Output 1: 9
Sample Input 2: -13
Sample Output 2: Invalid array size import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i, flag=0,sum=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[20]; for(i = 1; i<=n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { flag=1; System.out.print("Invalid input"); System.exit(0); } } if(flag!=1) { for(i=1;i<=n;i++) { if(a[i]%2==0) sum=sum+i; } System.out.print(sum); } } } }
74.sumEvenOddProduct Read the question carefully and follow the input and output format.
Write a program to find the sum of product of even digits and product of odd digits in a given number.
If number contains only even numbers or odd numbers take the other numbers product as 1.
Input and Output Format : Input consists of a single integer. Output consist of the sum of even digit product and odd digit product.
Print "Number too large" when the given input number is greater than 32767 Print "Number too small" when the given input number is a negative number.
Sample Input 1: 4564 Sample Output 1: 101
{Hint : (464) + (5) = 96 +5 = 101} Sample Input 2: 1357 Sample Output 2: 106
Sample Input 3: 981357 Sample Output 3: Number too large import java.util.Scanner; public class Main { public static void main(String[] args) { int n, sum=0,rem,flag=0,evenprod=1,oddprod=1,res; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); flag=1; } if(n>32767) { System.out.println ("Number too large"); flag=1; } if(flag==0) { while(n!=0) { rem=n%10; if(rem%2==0) evenprod=evenprodrem; else oddprod=oddprodrem; n=n/10; } res = evenprod + oddprod; System.out.println (res); } } }
75.Sum of the Digits
In a lucky draw everybody got one coupon with some code. They need to sum the digits in the code and send SMS to the given number. Write a program to find the sum of digits in a number.
Include a function named sumDigits that accepts an integer argument and returns an integer that corresponds to the sum of the digits. The function returns -1 if the input is less than zero or if the roll number is greater than 32767.
If the function returns -1, print “Invalid Input”.
Input and Output Format:
The input consists of an integer. The output consists of an integer that corresponds to the sum of the digits in the number.
Sample Input 1: 3487
Sample Ouput 1: 22
Sample Input 2: -8
Sample Output 2: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, rem,flag=0, res=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); flag=1; } if(n>32767) { System.out.println ("Number too large"); flag=1; } if(flag==0) { while(n!=0) { rem=n%10; res=res+rem; n=n/10; } System.out.print(res); } } }
76.Sum of squares of prime numbers
Given an integer n, write a program to find the sum of squares of prime numbers upto and including n.
Include a function named sumSquarePrime that accepts an integer argument and returns an integer that corresponds to result. The function returns -1 if the input is less than zero or if the number is greater than 32767.
If the function returns -1, print “Invalid Input”.
Please note that 1 is neither prime nor composite.
Input and Output Format:
The input consists of an integer. The output consists of an integer that corresponds to the sum of the squares of prime numbers.
Sample Input 1: 10
Sample Ouput 1: 87
Sample Input 2: -8
Sample Output 2: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int i,j, n, sum=0,flag=0, count=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); flag=1; } if(n>32767) { System.out.println ("Number too large"); flag=1; } if(flag==0) { for(i = 1;i<=n;i++) { count=0; for(j=1;j<=i;j++) { if(i%j==0) count++; } if(count==2) sum=sum+(i*i);
}
System.out.println (sum);
}
}
}
77.3/5 Number
Write a program to find whether the given number is a 3/5 Number.
A number is a 3/5 Number if the product of the digits in the number is divisible by 3 or 5.
Include a function named divisibleByThreeFive that accepts an integer argument and returns an integer. The function returns
- 1 if it is a 3/5 Number
- 0 if it is not a 3/5 Number
- -1 if it is a negative number
Input and Output Format: Input consists of a single integer. Output consists of a string. Refer sample output for formatting specifications.
Sample Input 1: 251
Sample Output 1: yes
Sample Input 2: 241
Sample Output 2: no
Sample Input 3: -9
Sample Output 3: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, flag=0,rem, prod=1; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); flag=1; } if(n>32767) { System.out.println ("Number too large"); flag=1; } if(flag==0) { while(n!=0) { rem=n%10; prod=prod*rem; n=n/10; } if(prod%3==0 || prod%5==0) System.out.println ("yes"); else System.out.println ("no"); } } }
78.aboveAverageMarks Read the question carefully and follow the input and output format.
Given an input array that represents the marks of students, find out the marks which are greater than or equal to average mark of all students.
Input and Output Format: First line of input consists of n, the number of elements in the input array. Next n lines correspond to the array elements. Output consist of an integer array.
- Print "Invalid array size" when size of the array is negative and terminate the program.
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
Include a function named aboveAverageMarks(int array[], int size) whose return type is void. The output array is stored in a global variable named above_average.
Sample Input 1: 5 10 20 30 40 50 Sample Output 1: 30 40 50
Sample Input 2: 4 -3 Sample Output 2: Invalid Input import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i, flag=0,sum=0,avg=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[20]; for(i =0; i<n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { flag=1; System.out.print("Invalid input"); System.exit(0); } } if(flag!=1) { for(i=0;i<n;i++) sum=sum+a[i]; avg=sum/n; for(i=0;i<n;i++) { if(a[i]>=avg) System.out.println (a[i]); } } } } }
79.changeNumber Read the question carefully and follow the input and output format.
Tom needs to generate a new number from the given input with the following conditions.Consider Input is always a 3 digit number.
conditions: (i) Middle digit comes first. (ii) Last digit should come in middle (iii) First digit should come as a last digit
Business rule:
- Print "Invalid input" if input is negative number.
- Print "Not a 3 digit number" if the given number is not a 3 digit number. 158 581 Include a function named changeNumber(int number) that returns an integer.
Input and Output Format: Input consists of an integer. Refer business rules and sample output for output format.
Sample Input 1: 123 Sample Output 1: 231
Sample Input 2: 1234 Sample Output 2: Not a 3 digit number import java.util.Scanner; public class Main { public static void main(String[] args) { int n, flag=0,rem, d1,d2,d3,i=1,temp=1,res=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Invalid input"); flag=1; } else if(n<100 || n>999) { System.out.println ("Not a 3 digit number"); flag=1; } if(flag==0) { do { rem=n%10; d3=rem; n=n/10; rem=n%10; d2=rem; n=n/10; rem=n%10; d1=rem; }while(n<0); do { res=res+(d1i); i=i10; res=res+(d3i); i=i10; res=res+(d2*i); }while(n<0); System.out.println (res); } } }
80.differentElements Read the question carefully and follow the input and output format.
Given two input arrays find out the elements which are not common.
Input and Output Format:
First line of input consists of n, the number of elements. Next n lines correspond to the first array elements and the next n lines correspond to the second array elements. Output consist of an integer array, which contains the elements that are not common between the first and second array.
- Print Invalid array size when size of the array is a negative number and terminate the program.
- Print Invalid input when there is any negative numbers available in the input array and terminate the program.
Include a function named differentElements(int set1[], int set2[], int size) whose return type is void. The output array is stored in a global variable named not_common.
Sample Input 1: 5 1 2 3 4 5 5 6 4 8 7
Sample Output 1: 1 2 3 6 8 7
Sample Input 2: 5 1 4 8 9 4 -8 Sample Output 2: Invalid input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j,f=0,k=0,sum=0; Scanner in=new Scanner(System.in); n=in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { f=1; System.out.print("Invalid input"); System.exit(0); } } int b[]=new int[n]; for(i = 0; i< n; i++) { b[i] = in.nextInt(); if(b[i] < 0) { f=1; System.out.print("Invalid input"); System.exit(0); } }
if(f!=1)
{
int not_common[]=new int[20];
for(i=0;i<n;i++)
{
int flag=0;
for(j=0;j<n;j++)
{
if(a [i]==b[j])
flag=1;
}
if(flag==0)
{
not_common[k]=a[i];
k++;
}
}
for(i=0;i<n;i++)
{
int flag1=0;
for(j=0;j<n;j++)
{
if(b[i]==a[j])
flag1=1;
}
if(flag1==0)
{
not_common[k]=b[i];
k++;
}
}
for(i=0;i<k;i++)
System.out.println(not_common[i]);
}
}
}
}
81.registerAccountNumbers
Read the question carefully and follow the input and output format.
Given an array in which the elements are in xxxyy format, where first xxx digits represent the Branch code and the yy represents the account id. Find out the No of accounts in the given branch code
Input and Output Format : The first input n corresponds to the size of the array, the next n lines correspond to the elements of the array and the last line of the input corresponds to the branch code. Output corresponds to the number of accounts in the given branch code If the given branch code is not available, print 0.
- Print "Invalid array size" when size of the array is a negative number and terminate the program
- Print "Invalid account Number" when there is any negative number available in the input array and terminate the program
- Print "Invalid branch code" when branch code is negative number and terminate the program
Include a function named registerAccountNumbers (int size, int account_numbers[], int branch_code) that returns the no of accounts
Sample Input 1 : 6 12345 12370 12324 13355 13333 14575 123
Sample Output 1 : 3
Sample Input 2 : -6
Sample Output 2: Invalid array size import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i ,bcode=0,count=0,temp=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid account number"); System.exit(0); } } //if(flag!=1) //{ int code=in.nextInt(); if(code<0) { System.out.print("Invalid branch code"); System.exit(0); } for(i=0;i<n;i++) { temp=a [i]; bcode=temp/100; if(bcode==code) count++; } System.out.println(count); //} } } } 82.clearedStage1 Read the question carefully and follow the input and output format.
Given an integer array. The first index represents the Student id, Second index represents C-programming marks and the third index Represents SQL marks. Write a program to find the Ids of students who have cleared both C-programming and SQL.
Note :(1) The Pass Marks is >=70
Input and Output Format :
First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer array.
- Print "Invalid array size" when size of the array is negative and terminate the program.
- Print "Invalid input" when there is any negative number available in the input array and terminate the program.
Include a function named clearedStage1(int array[], int size) whose return type is void. The output array is stored in a global variable named cleared.
Sample Input 1: 9 1 25 75 3 75 80 2 75 75
Sample Output 1: 3 2
Sample Input 2: 6 4 25 -78
Sample Output 2: Invalid input import java.util.*; public class Main { public static void main(String[] args) { int n, i,k=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[100]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } int b[]=new int[100]; for(i=0;i<n;i=i+3) { if(a[i+1]>=70 && a[i+2]>=70) { b[k]=a[i]; k++; } } for(i = 0; i< k; i++) System.out.println(b[i]); } } } 83.findLargest Read the question carefully and follow the input and output format.
Write a program to find the largest of the 3 given numbers.
Input and Output Format : Input consists of 3 integers. Output consist of an integer that is the maximum.
Print "Number too large" when any of given input numbers is greater than 32767 . Print "Number too small" when given input is a negative number.
Include a function named findLargest(int num1, int num2, int num3) whose return type is an integer, which is the largest.
Sample Input 1: 2 3 4
Sample Output 1: 4
Sample Input 2: 98974
Sample Output 2: Number too large
Sample Input 3: -32767
Sample Output 3: Number too small
84.sumThreeLargest Read the question carefully and follow the input and output format.
Write a program to find the sum of first ,second and third largest element in the given array.
Input and Output Format: First line of input consists of n, the number of elements. Next n lines correspond to the array elements . Output consists of an Integer, the sum.
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
Sample Input 1: 8 1 2 2 3 4 5 5 4
Sample Output 1: 12
Sample Input 2: 4 1 2 -3 Sample Output 2: Invalid input import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j,k=0,temp=0, sum=0; //int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[20]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid input"); System.exit(0); } } // if(flag!=1) // { for(i=0;i<n;i++) { for(j=i+1;j<n;) { if(a[i]==a[j]) { for(k=j;k<n;k++) a[k]=a[k+1]; n--; } else j++; } } for(i=0;i<n;i++) { for(j=i+1;j<n;j++) { temp = a[i]; a[i] = a[j]; a[j] = temp; } } sum=a[0]+a[1]+a[2]; System.out.println(sum); //} } } }
85.highestProfitYear Read the question carefully and follow the input and output format.
An array holds information of a company profit margin and year. Find out the year in which highest revenue was earned. Assume the first index of array indicates year and the next index indicates the amount of money earned by the company and so on.
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer, which is the sum
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative number available in the input array and terminate the program.
Sample Input 1: 6 2012 10000 2011 5000 2009 4000
Sample Output 1: 2012
Sample Input 2: 8 2015 89745 -2015
Sample Output 2: Invalid input import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i ,max=0,highest=0; //int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid account number"); System.exit(0); } } // if(flag!=1) //{ for(i=1;i<n;i=i+2) { if(a[i]>max) { max=a[i]; highest=a[i-1]; } } System.out.print(highest); //} } } } 86.countNoOfConnections Read the question carefully and follow the input and output format.
Given an input array, the elements are of format XYYY . where X represents the connection type. YYY represents the connection id.
If X is 2 -> means 2G connection If X is 3 -> means 3G connection If X is 4 -> means 4G connection You need to find the number of type of connections.
Note: If a particular connection type (starting with 2 or 3 or 4) is not available represent with zero in the corresponding position.
Business Rules :
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid connection" when there is any negative number available in the input array and terminate the program
Input and Output Format : First line of input corresponds to n, next n lines corresponds to the elements of the array Output consists of the the number of type of connections. [1st line of the output corresponds to the number of 2G connections, 2nd line corresponds to the number of 3G connections and 3rd line corresponds to the number of 4G connections]
Sample Input 1 : 5 2333 3101 2102 4567 3123
Sample Output 1: 2 2 1
Sample Input 2 : 2 -2234
Sample Output 2: Invalid connection
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i, x,temp,two=0,three=0,four=0,other; //int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[20]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid connection"); System.exit(0); } } //if(flag!=1) //{ for(i=0;i<n;i++) { temp=a[i]; x=temp/1000; if(x==2) two++; else if(x==3) three++; else if(x==4) four++; else other=0; } int out[]=new int[3]; out[0]=two; out[1]=three; out[2]=four; for(i=0;i<3;i++) System.out.println (out[i]); //} } } }
87.Sum of positive numbers in Array Write a program to find the sum of positive numbers in an array. Include a function named addPositives that accepts 2 arguments and returns an int. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The function returns the sum of the positive numbers in the array. If the size of the array is negative, print “Invalid Input” and terminate the program.. Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array.Assume that the maximum size of the array is 20. Sample Input 1: 5 3 5 -2 6 -6 Sample Output 1: 14 Sample Input 2: -5 Sample Output 2: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,sum=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid input"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a [i]>0) sum=sum+a [i]; } System.out.print(sum); } } } 88.Find Index Write a program to find the index of a particular number in a given input array. Include a function named findIndex that accepts 3 arguments and returns an int. The first argument is the input array, the second argument is an int that corresponds to the size of the array and the third argument is the element to be searched for. The function returns the corresponding index if the search element is present in the array and returns -1 if the search element is not present in the array. If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program. Input and Output Format: Input consists of n+2 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. The last integer corresponds to the element whose count needs to be found. Output consists of an integer that corresponds to the index of the search element if it is present. Else, print 'not found'. Refer sample output for formatting specifications. Assume that the maximum number of elements in the array is 20 and that all elements in the array are unique. Sample Input 1: 8 2 1 3 8 6 12 10 19 8 Sample Output 1: 3 Sample Input 2: 8 2 1 3 8 6 12 10 19 80 Sample Output 2: not found Sample Input 3: -5 Sample Output 3: Invalid Input Sample Input 4: 5 23 2 -200 Sample Output 4: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i, se,f=0,index=0;
//int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[20];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
// if(flag!=1)
//{
se=in.nextInt();
for(i=0 ; i<n ; i++)
{
if(a [i]==se)
{
f=1;
index = i;
break;
}
}
if(f==1)
System.out.print(index);
else
System.out.print("not found");
//}
}
}
}
89.Store Consequtives
Write a program to obtain a new array that contains the consequtive values of the given input array. The output array is named as output1.
Include a function named storeConsequtives that accepts 2 arguments and its return type is void. The first argument is the input array and the second argument is an int that corresponds to the size of the array . The output array is stored in a global variable named output1.
If the size of the array is negative or if any of the elements in the array are negative , print “Invalid Input” and terminate the program.
Input and Output Format:
Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array.
Output consists of an integer array.
Refer sample output for formatting specifications.
Assume that the maximum number of elements in the array is 20.
Sample Input 1:
4
2
5
1
4
Sample Output 1:
3
6
2
5
Sample Input 2: -5 Sample Output 2: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i, se,f=0,index=0;
//int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[20];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
//if(flag!=1)
//{
for(i=0;i<n;i++)
{
a[i]=a[i]+1;
System.out.println(a[i]);
}
//}
}
}
}
90.findGrade
Read the question carefully and follow the input and output format.
In a school examination the result of students are published in the form of an array where first index is the student id and the second index is the total marks in mathematics third index is student id and fourth index is total marks in mathematics and so on... Write a method that assigns the student id as the key and the grade in mathematics as the value to the output array based on the following conditions:
If(Marks >=90 ) : 1 If(Marks >=80 and <90 ) : 2 If(Marks >=70 and <80) : 3 If(Marks <70 ) : 0
Hint: Array size is always is even.
Input and Output Format :
First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer array.
- Print "Invalid array size" when size of the array is negative and terminate the program.
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
Include a function named findGrade(int array[], int size) whose return type is void. The output array is stored in a global variable named grade.
Sample Input 1: 10 1 65 2 74 3 86 4 95 6 69
Sample Output 1: 1 0 2 3 3 2 4 1 6 0
Sample Input 2: 4 -3 Sample Output 2: Invalid input import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i; //int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[20]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid input"); System.exit(0); } } //if(flag!=1) // { int grade[]=new int[20]; for(i=1;i<n;i=i+2) { if(a[i]>=90) { grade[i-1]=a[i-1]; grade[i]=1; } else if(a[i]>=80 && a[i]<90) { grade[i-1]=a[i-1]; grade[i]=2; } else if(a[i]>=70 && a[i]<80) { grade[i-1]=a[i-1]; grade[i]=3; } else { grade[i-1]=a[i-1]; grade[i]=0; } } for(i=0;i<n;i++) System.out.print(grade[i]); //} } } }
91.Odd Even Average
The Owner of a block visited the Layout and found that he has some plot numbers of his own and some are odd numbers and some are even numbers. He is maintaining the details in a file in the system. For the password protection our owner has followed one formula. He calculated the sum of his even numbers plot and sum of odd numbers plot and found the average of those two and he used that average as his password for the details file. Find the password that our owner has arrived.
Include a function named avgOddEvenSum that accepts 2 arguments and returns a float. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The function returns a float that corresponds to the average of the array.
If the size of the array is negative or if any element in the array is negative , print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of a floating point number that corresponds to the average. It is displayed correct to 2 decimal places. Assume that the maximum size of the array is 20.
Sample Input 1: 5 1 2 3 4 5
Sample Output 1: 7.50
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -5
Sample Output 3: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, i, sumodd=0,sumeven=0;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
// if(flag!=1)
//{
double avg,av;
for(i=0;i<n;i++)
{
if(a [i]%2==0)
sumeven=sumeven+a[i];
else
sumodd=sumodd+a[i];
}
avg = (sumeven+sumodd);
av=avg/2;
System.out.printf("%.2f",av);
//}
}
}
}
92.convertToBinary
Read the question carefully and follow the input and output format.
Kate is a military officer. He needs to send top-secret code to the other soldiers in a different place. He need to encrypt it. We need to write a function to convert the given decimal number to the corresponding binary number.
Input consist of single integer. Output consists of binary number.
- Print "Number too small" when input is negative.
- Print "Number too large" when input value is greater than 100.
Include a function named convertToBinary(int num) whose return type is void.
Sample Input 1: 12
Sample Output 1: 1100
Sample Input 2: 101
Sample Output 2: Number too large import java.util.Scanner; public class Main { public static void main(String[] args) { int n,i=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) {
System.out.print("Number too small");
System.exit(0);
}
else if(n>100)
{
System.out.print("Number too large");
System.exit(0);
}
else
{
int a[]=new int[20];
while(n>0)
{
a[i]=n%2;
i++;
n=n/2;
}
for(int j=i-1;j>=0;j--)
System.out.print (a[j]);
}
}
} 93.reverseNumber Read the question carefully and follow the input and output format.
Write a program to find the reverse of a given input integer
Input and Output Format : Input consists of an integer, n. Output consist of the reverse of the number n.
Print "Number too large" when the given input number is greater than 32767 Print "Number too small" when the given input numbers is a negative number.
Sample Input 1: 1234
Sample Output 1: 4321
Sample Input 2: 326357
Sample Output 2: Number too large import java.util.Scanner; public class Main { public static void main(String[] args) { int n, rev=0 ,rem; //int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); System.exit(0); //flag=1; } if(n>32767) { System.out.println ("Number too large"); System.exit(0); //flag=1; } //if(flag==0) //{ while (n != 0) { rem =n%10; rev = (rev *10)+rem; n=n/10; } System.out.println (rev); //} } } 94.Sum of Prime Cubes Given an input integer n, write a program to find the sum of the cubes of the prime numbers upto n. (including n)
Please note that 1 is neither prime nor composite.
The function returns -1 if the input is a negative number or if it is greater than 3000.
If the function returns -1, print Invalid Input.
Input and Output Format: Input consists of a single integer. Output consists of a single integer. Refer sample output for formatting specifications.
Sample Input 1: 5
Sample Output 1: 160
Sample Input 2: -241
Sample Output 2: Invalid Input
Sample Input 3: 50000
Sample Output 3: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int i,n,j, k,sum=0,flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0 || n>3000) System.out.println ("Invalid input"); else { for(i=2;i<=n;i++) { int flag=0; for(j=2;j<i;j++) { if(i%j==0) flag=1; } if(flag==0) { sum=sum+(iii); } } System.out.println(sum);
}
}
} 95.Negative Elements
Write a program to remove all the negative elements of the input array , sort the positive elements and stores them in an output array .
Include a function named eliminateNegatives that accepts 2 arguments and its return type is void. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The output array is stored in a global variable named output1 and the size of the output array is stored in a global variable named output2.
If the size of the array is negative , print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of an integer array. Refer sample output for formatting specifications.
Assume that the maximum number of elements in the array is 20.
Sample Input 1: 8 1 6 3 5 -6 8 -15 9
Sample Output 1: 1 3 5
6 8 9
Sample Input 2: -5
Sample Output 2: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j,k=0, temp; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) a[i] = in.nextInt(); int output1[]=new int[n]; for(i=0;i<n;i++) { if(a [i]>0) { output1[k]=a [i]; k++; } } for(i=0;i<k;i++) { for(j=i+1;j<k;j++) { if(output1[i]>output1[j]) { temp = output1[i]; output1[i]=output1[j]; output1[j]=temp; } } } for(i=0;i<k;i++) System.out.println(output1[i]); } } }
96.Savings Calculation Jim got salary for this month and he spends 50% of his salary for food and 20% of his salary for travel. If the number of days he worked is 31 he gets a bonus of Rs.500. Write a program to find how much he can save in his pocket after spending all these?
Include a function named calculateSavings that accepts 2 integer arguments and returns a float. The first integer corresponds to Jim's basic salary and the second integer corresponds to the number of days Jim has worked. The function returns a float that corresponds to the amount that Jim could save.
Print Invalid Input and terminate the program in the following cases:
-
Basic salary is greater than 9000 -
Number of working days is greater than 31 -
Basic salary is negative -
Number of working days is negative
Input and Output Format: Input consists of 2 integers. The first integer corresponds to Jim's basic salary and the second integer corresponds to the number of days he has worked. Output consists of a single float that corresponds to Jim's savings. Jim's savings is displayed correct to 2 decimal places.
Sample Input 1: 7000 30
Sample Output 1: 2100 .00
Sample Input 2: 50000
Sample Output 2: Invalid Input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int basic=0,days=0;
float spent,savings;
Scanner in=new Scanner(System.in);
basic=in.nextInt();
days=in.nextInt();
if(basic>9000 || days>31 || basic<0 || days<0)
{
System.out.println("Invalid input");
System.exit(0);
}
spent=(basic*70)/100;
if(days==31)
savings = basic+500-spent;
else
savings = basic-spent;
System.out.printf(“%.2f”,savings);
}
}
97.studentMarks Read the question carefully and follow the input and output format.
The Given input is of the format XXXYY , where XXX is Id , YY is marks. Write a code to display the id and marks separately as given in the output formats. [Refer sample input and output]
Input and Output Format : Input consists of a number. Refer sample output for output format.
Print "Number too large" when any of given input numbers is greater than 32767 . Print "Number too small" when given input is a negative number.
Include a function named studentMarks(int number) whose return type is void.
Sample Input 1: 12345
Sample Output 1: 123 45
Sample Input 2: -13
Sample Output 2: Invalid input
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n=0,result;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n<0)
System.out.println ("number too small");
else if(n>32767)
System.out.println ("number too large");
else
{
int id=0,mark=0,rem=0,i=1,flag=1,j=1;
while(n!=0)
{
if(flag<=2)
{
rem=n%10;
mark=mark+(remi);
i=i10;
n=n/10;
flag++;
}
else
{
rem=n%10;
id=id+(remj);
j=j10;
n=n/10;
flag++;
}
}
System.out.println(id);
System.out.println(mark);
}
}
}
98.maximumSum
Read the question carefully and follow the input and output format.
Given an Integer array, find out sum of Even and odd Numbers individually and find the maximum.
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of maximum of odd and even sum.
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
Sample Input 1: 5 12 13 14 15 16
Sample Output 1: 42
Sample Input 2: -13
Sample Output 2: Invalid array size
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i, oddsum=0,evensum=0,max=0; //int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid input"); System.exit(0); } } //if(flag!=1) //{ for(i=0;i<n;i++) { if(a[i]%2==0) evensum = evensum + a[i]; else oddsum = oddsum + a[i]; if(evensum>oddsum) max = evensum; else max=oddsum; } System.out.print(max); //} } } } 99.newNumber Read the question carefully and follow the input and output format.
Write a program to find the difference between consecutive digits in the given input integer and display it.
Input and Output Format: Input consists of an integer and output the difference between the consecutive digits.
Print "Number too small" if the number is less than 0 Print "Number too large" if the number is greater than 32767
Sample Input 1: 1325 Sample Output 1: 213
Sample Input 2:
-13
Sample Output 2:
Number too small
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int n, rem,i=1,rem1=0,diff=0,digit=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n<0)
{
System.out.println ("Number too small");
System.exit(0);
}
if(n>32767)
{
System.out.println ("Number too large");
System.exit(0);
}
else
{
while(n>10)
{
rem=n%10;
n=n/10;
rem1=n%10;
if(rem>rem1)
diff=rem-rem1;
else
diff=rem1-rem;
digit=digit+(diffi);
i=i10;
}
System.out.println(digit);
}
}
}
100.nonWorkingDoctors
Read the question carefully and follow the input and output format.
A doctor survey results information is stored in 2 arrays. First array represents all doctors ids (working and non -working both). Second array represents only working doctor's id . Please find the doctor ids who are not working .
Input and Output Format : First line of input corresponds to n1, the size of first array and next n1 lines correspond to the elements of the first array. The next line corresponds to n2, the size of second array and next n2 lines correspond to the elements of the second array Output is the id's of doctor who are not working
Print "Invalid array size" when size of the array is a negative number and terminate the program Print "Invalid id" when there is any negative numbers available in the input array and terminate the program.
Include a function named nonWorkingDoctors(int total[],int working[],int n,int m) whose return type is void.
Sample Input 1: 7 7 2 3 4 5 6 1 3 3 4 5
Sample Output 1: 7 2 6 1
Sample Input 2: 7 7 2 3 4 5 6 -1
Sample Output 2: Invalid id
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
int m,n, i,j;
//int flag=0;
Scanner in=new Scanner(System.in);
m=in.nextInt();
if(m < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[m];
for(i = 0; i< m; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
n=in.nextInt();
if(n<0)
{
System.out.print("Invalid array size");
System.exit(0);
}
int b[]=new int[n];
for(i = 0; i< n; i++)
{
b[i] = in.nextInt();
if(b[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
//if(flag!=1)
//{
for(i=0;i<m;i++)
{
flag=0;
for(j=0;j<n;j++)
{
if(a[i]==b[j])
flag=1;
}
if(flag==0)
System.out.println(a[i]);
}
//}
}
}
}
101.firstMiddleSame Read the question carefully and follow the input and output format.
Write a program to check if the first and middle element in an array is the same, if so display “100” in output or else display the first element of the array.
Note: Array size is always odd.
Input and Output Format : The first line of the input consists of an integer, n that corresponds to the number of elements in the array. The next 'n' lines correspond to the elements in the array.
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
- Print "Size must be odd" when the size of the array is even.
Sample Input 1: 7 8 4 5 8 3 2 1
Sample Output 1: 100
Sample Input 2: 10 4 5 6 -8
Sample Output 2: Invalid input
Sample Input 3: 3 4 8 6
Sample Output 3: 4 import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i; //int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else if(n%2==0) { System.out.print("size must be odd"); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid input"); System.exit(0); } } //if(flag!=1) //{ int mid = n / 2; if(a[0] == a[mid]) System.out.println("100"); else System.out.println(a[0]); //} } } }
102.countEvenRepeat Read the question carefully and follow the input and output format.
Write a program to count the number of repeated even elements in a given input array.
Input and Output Format : First line of input consists of n, the number of elements. And the remaining n lines is the elements of the array. Output is a single integer that displays the count.
- Print "Invalid array size" when size of the array is a negative number and terminate the program .
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
Include a function named countEvenRepeat(int array[], int size) whose return type is an integer, the count
Sample Input 1: 9 8 4 5 8 4 2 1 4 5
Sample Output 1: 2
Sample Input 2: 10 4 5 6 -8
Sample Output 2:
Invalid input
import java.util.*;
public class Main
{
public static void main(String[] args)
{
int n, i,j,k,count=0,sum=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[100];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
System.out.print("Invalid input");
System.exit(0);
}
}
for(i=0;i<n;i++)
{
count=1;
for(j=i+1;j<n;)
{
if(a[i] == a[j])
{
count++;
for(k=j;k<n;k++)
{
a [k] = a [k+1];
}
n--;
}
else
j++;
}
if(count!=1 && a [i]%2==0)
sum=sum+1;
}
System.out.print(sum);
}
}
}
103.Array Sorting
Write a program to sort the first half of the input array elements in ascending order and the second half of the input array elements in descending order.
If the size of the array is negative or if any element in the array is negative , print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of n integers that correspond to the elements in the sorted array. Assume that the maximum size of the array is 20.
Sample Input 1: 7 1 9 8 4 6 4 5
Sample Output 1: 1 4 8 9 6 5 4
Sample Input 2: -5 Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -5
Sample Output 3: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j, temp=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid input"); System.exit(0); } } //if(flag!=1) //{ int mid; if(n%2==0) mid=n/2; else mid=n/2+1; for(i=0;i<mid;i++) { for(j=i+1;j<mid;j++) { if(a [i]>a [j]) { temp = a [i]; a [i] = a [j]; a [j] = temp; } } } for(i=mid;i<n;i++) { for(j=i+1;j<n;j++) { if(a [i]<a [j]) { temp = a [i]; a [i] = a [j]; a [j] = temp; } } } for(i=0;i<n;i++) System.out.println(a[i]);
//}
}
}
}
104.occurenceDigit
Read the question carefully and follow the input and output format.
Given a number n, count the occurences of a number,x in n.
Input and Output Format : The first line of the input consists of an integer n, the second line consists of an integer, which is the digit whose occurence is to be calculated. Output is an integer that gives the count.
Print "Number too small" if any of the 2 input numbers is less than 0 and terminate the program. Print "Number too large" if any of the 2 input numbers is greater than 32767 and terminate the program.
Sample Input 1: 1122 1 Sample Output 1: 2
Sample Input 2: -2134 Sample Output 2: Number too small import java.util.Scanner; public class Main { public static void main(String[] args) { int n, digit; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); //flag=1; System.exit(0); } if(n>32767) { System.out.println ("Number too large"); //flag=1; System.exit(0); } //if(flag==0) //{ digit=in.nextInt(); if(digit<0) { System.out.println ("Number too small"); System.exit(0); } else if(digit >32767) { System.out.println ("Number too large"); System.exit(0); } else { int rem,count=0; while(n!=0) { rem=n%10; if(rem==digit) count++; n=n/10; } System.out.println(count); } //} } } 105.consecutiveDifference Read the question carefully and follow the input and output format.
Given input as integer array in which consecutive elements should have a difference of 4 or more than 4.
If the above condition matches display “1” else “0”
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer, which is the either 1 or 0
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
Sample Input 1: 6 1 5 10 6 2 7
Sample Output 1: 1
Sample Input 2: -8
Sample Output 2: Invalid array size import java.util.Scanner; public class Main { public static void main(String[] args) {
int n, i,j, res=0,diff=0,f=0;
// int flag=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
//if(flag!=1)
//{
for(i=0;i<n-1;i++)
{
f=0;
if(a[i]>a[i+1])
diff=a[i]-a[i+1];
else
diff=a[i+1]-a[i];
if(diff<4)
{
f=1;
break;
}
}
if(f==1)
System.out.print("0");
else
System.out.print("1");
//}
}
}
}
106.Change using Minimal Coins / Notes
Ram needs to pay the school fees of his 6 year old kid. As he is busy with his work, he is not finding time to go to the school to make payment. His kid's school doesn't accept online payment. So he decided to send the fee amount through his kid. The available denominations of rupees or coins is 500, 100, 50, 10, 5 and 1. Can you write a program to find the minimal number of coins or notes to be given to his kid?
Input and Output Format: Input consists of a single integer that corresponds to the fee amount to be paid. Output consists of an integer that corresponds to the minimal number of coins or rupee notes.
Print Invalid Input if the input value is negative.
Sample Input 1: 682
Sample Output 1: 8
Sample Input 2: -2345
Sample Output 2: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int rupees,count=0, c1,c2,c3,c4,c5,c6; Scanner in=new Scanner(System.in); rupees = in.nextInt(); if(rupees<0) { count=-1; System.out.print("Invalid input"); System.exit(0); } else { c1=rupees/500; rupees=rupees-(500c1); c2=rupees/100; rupees=rupees-(100c2); c3=rupees/50; rupees=rupees-(50c3); c4=rupees/10; rupees=rupees-(10c4); c5=rupees/5; rupees=rupees-(5c5); c6=rupees/1; rupees=rupees-(1c6); count=c1+c2+c3+c4+c5+c6; System.out.print(count); } } }
107.singleDoubleTripCount Read the question carefully and follow the input and output format.
In a given input array find out number of single digits, double digits and triple digits.
Input and Output Format : First line of input consists of an integer, the size of the array. Next line correspond to the elements of the array. Output consist of an integer array.
- Print "Invalid array size" when size of the array is a negative number and terminate the program.
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
The output array is stored in a global variable named count. The size of the output array is 6. Sample Input 1: 5 1 2 23 34 456
Sample Output 1: 1 2 2 2 3 1
Sample Input 2: 4 1 2 -3
Sample Output 2: Invalid input import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i, c1=0,c2=0,c3=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { //flag=1; System.out.print("Invalid input"); System.exit(0); } } //if(flag!=1) //{ int count[]=new int[6]; count[0]=1; count[2]=2; count[4]=3; for(i=0;i<n;i++) { if(a[i]>=0 && a[i]<=9) count[1]=++c1; else if(a[i]>=10 && a[i]<=99) count[3]=++c2; else if(a[i]>=100 && a[i]<=999) count[5]=++c3; else ; } for(i=0;i<6;i++) System.out.println (count[i]); //} } } }
108.Sum of multiples
Given 2 integers n and m, write a program to find the sum of all numbers divisible by m upto and including n (i.e from 1 to n).
The first argument corresponds to n and the second argument corresponds to m. The function returns -1 if the any of the two inputs is less than 0.
If the function returns -1, print “Invalid Input”.
Input and Output Format:
The input consists of 2 integers. The 1st integer corresponds to n and the 2nd integer corresponds to m. The output consists of an integer that corresponds to the sum of the multiples.
Sample Input 1: 11 5
Sample Ouput 1: 15
Sample Input 2: -8 2
Sample Output 2: Invalid Input
import java.util.*; public class Main { public static void main(String[] args) { int n=0,m=0,sum=0,i; Scanner in=new Scanner(System.in); n = in.nextInt(); m = in.nextInt();
if(n<0 || m<0)
{
System.out.print("Invalid Input");
System.exit(0);
}
else
{
for(i=m;i<=n;i++)
{
if(i%m==0)
sum = sum + i;
}
System.out.print(sum);
}
}
}
109.Search Element
Write a program to find whether a particular number appears in a given input array.
Include a function named isElementPresent that accepts 3 arguments and returns an int. The first argument is the input array, the second argument is an int that corresponds to the size of the array and the third argument is the element to be searched for. The function returns 1 if the search element is present in the array and returns 0 if the search element is not present in the array.
If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of n+2 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. The last integer corresponds to the element whose count needs to be found. Output consists of a string that is either 'yes' or 'no'.
Refer sample output for formatting specifications.
Assume that the maximum number of elements in the array is 20.
Sample Input 1: 8 2 1 3 8 6 8 10 8 8
Sample Output 1: yes
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -200
Sample Output 3: Invalid Input
import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i, se,f=0; // int flag=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
//flag=1;
System.out.print("Invalid input");
System.exit(0);
}
}
//if(flag!=1)
//{
se=in.nextInt();
for(i=0;i<n;i++)
{
if(a[i]==se)
{
f=1;
break;
}
}
if(f==1)
System.out.print("yes");
else
System.out.print("no");
//}
}
}
}
110.Binary Conversion Write a program to convert a given input decimal number to binary.
Include a function named convertToBinary that accepts an integer argument and its return type is void. Print the binary representation of the number in this function.
If the input value is negative or greater than 100, print Invalid Input and terminate the program.
Input and Output Format: Input consists of a single integer. Output consists of the binary representation of the given integer. Refer sample output for formatting specifications.
Sample Input 1: 12
Sample Output 1: 1100
Sample Input 2: 64
Sample Output 2: 1000000
Sample Input 3: -2345
Sample Output 3: Invalid Input
import java.util.Scanner; public class HelloWorld { public static void main(String[] args) { int n,i=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0 || n>100) {
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[20];
while(n>0)
{
a[i]=n%2;
i++;
n=n/2;
}
for(int j=i-1;j>=0;j--)
System.out.print (a[j]);
}
}
}
111.Repeated Element
Write a program to find the maximum repeated element in a given input array.
Include a function named maxRepeatedElement that accepts 2 arguments and returns an int. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The function returns an int that corresponds to the maximum repeated element.
If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of an integer that corresponds to the maximum repeated element. Assume that the maximum number of elements in the array is 20 and that there will always be a unique maximum repeated element.
Sample Input 1: 8 2 1 3 4 6 8 10 8
Sample Output 1: 8
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -200
Sample Output 3: Invalid Input
import java.util.*; public class Main { public static void main(String[] args) { int n, i,j,k=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[100]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } for(i=0;i<n;i++) { for(j=i+1;j<n;;j++) { if(a[i] == a[j]) { k=a[i]; break; } } System.out.print(k); } } } } 112.subTwoArrays Read the question carefully and follow the input and output format.
Given two input arrays, write a program to find out numbers which is present in the first array and not in the second array.
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the first array elements and the next n lines correspond to the second array elements. Output consist of an integer array.
- Print "Invalid array size" when size of the array is a negative number.
- Print "Invalid input" when there is any negative numbers available in the input array.
Include a function named subTwoArrays(int elements1[], int elements2[], int size) whose return type is void. The output array is stored in a global variable named no_common.
Sample Input 1: 5 1 2 3 4 5 3 5 7 9 10
Sample Output 1: 1 2 4
Sample Input 2: 4 1 2 -3
Sample Output 2: Invalid input import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j ,k=0; Scanner in=new Scanner(System.in); n=in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } int b[]=new int[n]; for(i = 0; i< n; i++) { b[i] = in.nextInt(); if(b[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } int no_common[]=new int[100]; for(i=0;i<n;i++) { int flag=0; for(j=0;j<n;j++) { if(a[i]==b[j]) flag=1; } if(flag==0) { no_common[k]=a[i]; k++; } } for(i=0;i<k;i++) System.out.println(no_common[i]); } } } 113.primeFactorialSum Read the question carefully and follow the input and output format.
In a given input number , find out the sum of factorial of digits that are prime.
Input and Output Format : Input consists of an integer. Output consists of the factorial sum.
- Print "Number too large" when the given input number is greater than 32767
- Print "Number too small" when the given input number is a negative number.
Include a function named primeFactorialSum(int number) whose return type is an integer.
Sample Input 1: 123 Sample Output 1: 8
Hint : 2! + 3! = (8)
Sample Input 2: 32768 Sample Output 2: Number too large import java.util.Scanner; public class Main { public static void main(String[] args) { int n, sum=0,count=0,i,fact=1,rem; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); System.exit(0); } if(n>32767) { System.out.println ("Number too large"); System.exit(0); } while(n!=0) { rem=n%10; count=0; for(i=1;i<=rem;i++) { if(rem%i==0) count++; } if(count==2) { fact=1; for(i=1;i<=rem;i++) fact = fact *i; sum = sum + fact; } n=n/ 10; } System.out.println (sum); } }
102.countEvenRepeat Read the question carefully and follow the input and output format.
Write a program to count the number of repeated even elements in a given input array.
Input and Output Format : First line of input consists of n, the number of elements. And the remaining n lines is the elements of the array. Output is a single integer that displays the count.
- Print "Invalid array size" when size of the array is a negative number and terminate the program .
- Print "Invalid input" when there is any negative numbers available in the input array and terminate the program.
Include a function named countEvenRepeat(int array[], int size) whose return type is an integer, the count
Sample Input 1: 9 8 4 5 8 4 2 1 4 5
Sample Output 1: 2
Sample Input 2: 10 4 5 6 -8
Sample Output 2: Invalid input
import java.util.*;
public class Main
{
public static void main(String[] args)
{
int n, i,j,k,count=0,sum=0;
Scanner in=new Scanner(System.in);
n = in.nextInt();
if(n < 0)
{
System.out.print("Invalid array size");
System.exit(0);
}
else
{
int a[]=new int[100];
for(i = 0; i< n; i++)
{
a[i] = in.nextInt();
if(a[i] < 0)
{
System.out.print("Invalid input");
System.exit(0);
}
}
for(i=0;i<n;i++)
{
count=1;
for(j=i+1;j<n;)
{
if(a[i] == a[j])
{
count++;
for(k=j;k<n;k++)
{
a [k] = a [k+1];
}
n--;
}
else
j++;
}
if(count!=1 && a [i]%2==0)
sum=sum+1;
}
System.out.print(sum);
}
}
}
111.Repeated Element
Write a program to find the maximum repeated element in a given input array.
Include a function named maxRepeatedElement that accepts 2 arguments and returns an int. The first argument is the input array and the second argument is an int that corresponds to the size of the array. The function returns an int that corresponds to the maximum repeated element.
If the size of the array is negative or if any element in the array is negative, print “Invalid Input” and terminate the program.
Input and Output Format: Input consists of n+1 integers. The first integer corresponds to n, the number of elements in the array. The next 'n' integers correspond to the elements in the array. Output consists of an integer that corresponds to the maximum repeated element. Assume that the maximum number of elements in the array is 20 and that there will always be a unique maximum repeated element.
Sample Input 1: 8 2 1 3 4 6 8 10 8
Sample Output 1: 8
Sample Input 2: -5
Sample Output 2: Invalid Input
Sample Input 3: 5 23 2 -200
Sample Output 3: Invalid Input
import java.util.*; public class Main { public static void main(String[] args) { int n, i,j,k=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[100]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } for(i=0;i<n;i++) { for(j=i+1;j<n;;j++) { if(a[i] == a[j]) { k=a[i]; break; } } System.out.print(k); } } } } 112.subTwoArrays Read the question carefully and follow the input and output format.
Given two input arrays, write a program to find out numbers which is present in the first array and not in the second array.
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the first array elements and the next n lines correspond to the second array elements. Output consist of an integer array.
- Print "Invalid array size" when size of the array is a negative number.
- Print "Invalid input" when there is any negative numbers available in the input array.
Include a function named subTwoArrays(int elements1[], int elements2[], int size) whose return type is void. The output array is stored in a global variable named no_common.
Sample Input 1: 5 1 2 3 4 5 3 5 7 9 10
Sample Output 1: 1 2 4
Sample Input 2: 4 1 2 -3
Sample Output 2: Invalid input import java.util.Scanner; public class Main { public static void main(String[] args) { int n, i,j ,k=0; Scanner in=new Scanner(System.in); n=in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[n]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } int b[]=new int[n]; for(i = 0; i< n; i++) { b[i] = in.nextInt(); if(b[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } int no_common[]=new int[100]; for(i=0;i<n;i++) { int flag=0; for(j=0;j<n;j++) { if(a[i]==b[j]) flag=1; } if(flag==0) { no_common[k]=a[i]; k++; } } for(i=0;i<k;i++) System.out.println(no_common[i]); } } } 113.primeFactorialSum Read the question carefully and follow the input and output format.
In a given input number , find out the sum of factorial of digits that are prime.
Input and Output Format : Input consists of an integer. Output consists of the factorial sum.
- Print "Number too large" when the given input number is greater than 32767
- Print "Number too small" when the given input number is a negative number.
Include a function named primeFactorialSum(int number) whose return type is an integer.
Sample Input 1: 123 Sample Output 1: 8
Hint : 2! + 3! = (8)
Sample Input 2: 32768 Sample Output 2: Number too large import java.util.Scanner; public class Main { public static void main(String[] args) { int n, sum=0,count=0,i,fact=1,rem; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n<0) { System.out.println ("Number too small"); System.exit(0); } if(n>32767) { System.out.println ("Number too large"); System.exit(0); } while(n!=0) { rem=n%10; count=0; for(i=1;i<=rem;i++) { if(rem%i==0) count++; } if(count==2) { fact=1; for(i=1;i<=rem;i++) fact = fact *i; sum = sum + fact; } n=n/ 10; } System.out.println (sum); } }
60.adjecentDifference Read the question carefully and follow the input and output format.
Given an input Integer array, find the difference in the adjacent elements and print the largest difference
Input and Output Format : First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of largest adjacent difference.
Print "Invalid array size" when size of the array is a negative number and terminate the program Print "Invalid input" when there is any negative number available in the input array and terminate the program.
Include a function named adjecentDifference(int numbers[], int size) whose return type is an integer
Sample Input 1: 7 2 4 5 1 9 3 8 Sample Output 1: 8
Hint: The AdjecentElement Diff are :2,1,4,8,6,5 and Maximum diff is 8 which is obtained by 2-4 =2, 4-5=1,5- 1 =4, 1-9=8,9-3=6,3-8 =5
Sample Input 2: 5 1 7 3 -8 Sample Output 2: Invalid input import java.util.*; public class Main { public static void main(String[] args) { int n, i,diff,max=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[100]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } for(i=0;i<n-1;i++) { if(a[i]>a[i+1]) diff=a[i]-a[i+1]; else diff=a [i+1]-a[i]; if(diff>max) max=diff; } System.out.print(max); } } }
82.clearedStage1 Read the question carefully and follow the input and output format.
Given an integer array. The first index represents the Student id, Second index represents C-programming marks and the third index Represents SQL marks. Write a program to find the Ids of students who have cleared both C-programming and SQL.
Note :(1) The Pass Marks is >=70
Input and Output Format :
First line of input consists of n, the number of elements. Next n lines correspond to the array elements. Output consist of an integer array.
- Print "Invalid array size" when size of the array is negative and terminate the program.
- Print "Invalid input" when there is any negative number available in the input array and terminate the program.
Include a function named clearedStage1(int array[], int size) whose return type is void. The output array is stored in a global variable named cleared.
Sample Input 1: 9 1 25 75 3 75 80 2 75 75
Sample Output 1: 3 2
Sample Input 2: 6 4 25 -78
Sample Output 2: Invalid input import java.util.*; public class Main { public static void main(String[] args) { int n, i,k=0; Scanner in=new Scanner(System.in); n = in.nextInt(); if(n < 0) { System.out.print("Invalid array size"); System.exit(0); } else { int a[]=new int[100]; for(i = 0; i< n; i++) { a[i] = in.nextInt(); if(a[i] < 0) { System.out.print("Invalid input"); System.exit(0); } } int b[]=new int[100]; for(i=0;i<n;i=i+3) { if(a[i+1]>=70 && a[i+2]>=70) { b[k]=a[i]; k++; } } for(i = 0; i< k; i++) System.out.println(b[i]); } } }