#include<stdio.h>
void main()
{
int a,b;
printf("Enter the two number to be added\n");
scanf("%d%d",&a,&b);
printf("Sum : %d + %d = %d \n",a,b,a+b);
}Enter the two number to be added
14 35
Sum : 14 + 35 = 49
#include<stdio.h>
void main()
{
int n;
float sum=0;
printf("Enter number of elements \n");
scanf("%d",&n);
int a[n];
printf(" now enter %d elements\n",n);
for(int i=1;i<=n;i++)
{
scanf("%d",&a[i]);
sum+=a[i];
}
float avg;
avg = sum/n;
printf("Average of %d elements is %0.2f \n",n,avg);
} #include<stdio.h>
void main()
{
int a;
printf("Enter any integer between 1 to 7\n");
scanf("%d",&a);
switch(a)
{
case 1:
printf("MONDAY\n");
break;
case 2:
printf("TUESDAY\n");
break;
case 3:
printf("WEDNESDAY\n");
break;
case 4:
printf("THRUSDAY\n");
break;
case 5:
printf("FRIDAY\n");
break;
case 6:
printf("SATURDAY\n");
break;
case 7:
printf("SUNDAY\n");
break;
default :
printf("Enter number between 1 to 7\n");
break;
}
} #include<stdio.h>
void main()
{
int a;
printf("enter the number\n");
scanf("%d",&a);
if(a%2==0)
printf("EVEN\n");
else
printf("ODD\n");
}#include<stdio.h>
int main()
{
int n,i;
printf("enter the number \n");
scanf("%d",&n);
printf("\t\t\tTABLE OF %d\n",n);
printf("\t\t\t==========\n");
for(i=1;i<11;i++)
{
printf("%d * %d = %d\n",n,i,n*i);
}
return 0;
}#include<stdio.h>
int main()
{
int sum=0,digit;
int n, temp;
printf("enter any positive integer number");
scanf("%d",&n);
temp=n;
while(temp>0)
{
digit=temp%10;
temp/=10;
sum=sum+digit*digit*digit;
}
if(n==sum)
printf("\n %d is a armstrong number\n",n);
else
printf("\n %d is not a armstrong number\n",n);
}#include<stdio.h>
void main()
{
puts(" _______________ ");
puts("|_______________|");
puts("| 1 | 2 | 3 | |");
puts("|___|___|___| |");
puts("| 4 | 5 | 6 | + |");
puts("|___|___|___|___|");
puts("| 7 | 8 | 9 | - |");
puts("|___|___|___|___|");
puts("| 0 | * |");
puts("|___________|___|");
}#include<stdio.h>
int main()
{
int i,n,k,temp;
printf("\n enter the array size\n");
scanf("%d",&n);
int a[n];
printf("enter %d elements of array\n",n);
for(i=0;i<n;i++)
scanf("%d",&a[i]);
for(k=0;k<n-1;k++)
{
for(i=0;i<n-k-1;i++)
{
if(a[i]>a[i+1])
{
temp=a[i];
a[i]=a[i+1];
a[i+1]=temp;
}
}
}
printf("\n array elements after shorting\n");
for(i=0;i<n;i++)
printf("%d\t",a[i]);
printf("\n");
}#include<stdio.h>
int main()
{
int m,n,a[100],search,first,last,middle;
printf("Enter the size of array");
scanf("%d",&m);
printf("Enter %d numbar\n",m);
for(n=0;n<m;n++)
scanf("%d",&a[n]);
printf("Enter the the number u want to search\n");
scanf("%d",&search);
first=0;
last=m-1;
middle=(first+last)/2;
while(first<=last)
{
if(a[middle]<search)
first=middle+1;
else if(a[middle]==search)
{
printf("%d found at location %d\n",search,middle+1);
break;
}
else
last=middle-1;
middle=(first+last)/2;
}
if(first>last)
printf("Not found! %d is not present in the list \n",search);
return 0;
}
#include<stdio.h>
int main()
{
int n;
printf("enter number\n");
scanf("%d",&n);
int p=1;
for(int i=1;i<=n;i++)
{
p*=i;
}
printf("%d! = %d \n",n,p);
}#include<stdio.h>
int main()
{
for(int i=1;i<=30;i++)
{
if(i%15==0)
printf("fizzbuzz\n");
else if(i%5==0)
printf("buzz\n");
else if(i%3==0)
printf("fizz\n");
else {printf("%d\n",i);}
}
return 0;
}#include<stdio.h>
int main()
{
int sum=0,i=1;
while(i<101)
{
sum =sum+i;
i++;
}
printf("sum of numbers from 0 to 100 is %d\n",sum);
return 0;
}#include<stdio.h>
void main()
{
float a,b;
printf("enter first number\n");
scanf("%f",&a);
printf("enter the second nummber\n");
scanf("%f",&b);
if(a>b)
printf("%f is greater\n",a);
else if(b>a)
printf("%f is greater\n",b);
else
printf("both numbers are equal\n");
}#include<stdio.h>
void main()
{
int a,b,c;
printf("enter the three numbers which you want to compare \n");
scanf("%d%d%d",&a,&b,&c);
if(a>b&&a>c)
printf("\n%d is the greatest number\n",a);
else if(b>a&&b>c)
printf("\n%d is the greatest number\n",b);
else
printf("\n%d is the greatest number\n",c);
}#include<stdio.h>
int gcd(int a,int b)
{
int c;
c=a%b;
if(c==0)
return b;
else
gcd(b,c);
}
int main()
{
int m,n,c;
scanf("%d%d",&m ,&n);
c=gcd(m,n);
printf("\n gcd is %d \n",c);
return 0;
}
**********************OR*******************
#include<stdio.h>
int main()
{
int m,n,r=1;
printf("\nEnter value for m,n\n");
scanf("%d%d",&m,&n);
while(r!=0)
{
r=n%m;
n=m;
m=r;
}
printf("\nGCD=%d\n",n);
return 0;
} #include <stdio.h>
int main()
{
int year;
printf("Enter a year: ");
scanf("%d",&year);
if(year%4 == 0)
{
if( year%100 == 0)
{
// year is divisible by 400, hence the year is a leap year
if ( year%400 == 0)
printf("%d is a leap year.", year);
else
printf("%d is not a leap year.", year);
}
else
printf("%d is a leap year.", year );
}
else
printf("%d is not a leap year.", year);
return 0;
}
---Enter a year: 1900
1900 is not a leap year.
Enter a year: 2012
2012 is a leap year.
#include<stdio.h>
int check(int b[],int m,int o)
{int p=-1;
for(int i=1;i<=m;i++)
{
if(b[i]==o)
p = i;
}
return p;
}
void main()
{
int n,num,index;
printf("enter the array size\n");
scanf("%d",&n);
int a[n];
printf("enter the array elements\n");
for(int i=1;i<=n;i++)
{
scanf("%d",&a[i]);
}
printf("now enter the number which you want to check\n whether it is present or not in entered array\n");
scanf("%d",&num);
index=check(a,n,num);
if(index==-1)
printf("element is not found\n");
else
printf("element is found at the position %d \n",index);
} include<stdio.h>
void main()
{
int a[10][10],b[10][10],c[10][10];
int m,n,i,j;
printf("Enter size of matrix A as m,n:");
scanf("%d%d",&m,&n);
printf("\nEnter elements of matrix A rowwise m*n\n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
scanf("%d",&a[i][j]);
}
}
printf("enter the elements of second matrix\n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
scanf("%d",&b[i][j]);
}
}
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
c[i][j]=b[i][j]+a[i][j];
}
}
printf("\nSUM OF MATRIX A&B \n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
printf("%d ",c[i][j]);
}
printf("\n");
}
} #include<stdio.h>
int main()
{
int m,n,i,j;
printf("enter the number of rows and columns of matrix\n");
scanf("%d%d",&m,&n);
int a[m][n],b[m][n] ;
printf("enter the elements of matrix row wise\n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
scanf("%d",&a[i][j]);
}
}
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
b[j][i]=a[i][j];
}
}
printf("transpose of matrix is \n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
printf("%d ",b[i][j]);
}
printf("\n");
}
} #include<stdio.h>
int main()
{
int a,sum=0,c;
printf("enter the number\n");
scanf("%d",&a);
while(a!=0)
{
c=a%10;
sum+=c;
a=a/10;
}
printf("sum of digits is %d\n",sum);
}#include<stdio.h>
int main()
{
int sum=0,digit;
int n, temp;
printf("enter any positive integer number\n");
scanf("%d",&n);
temp=n;
while(temp>0)
{
digit=temp%10;
temp/=10;
sum=sum*10+digit;
}
if(n==sum)
printf("\n %d is a palidrome number\n",n);
else
printf("\n %d is not a palidrome number\n",n);
}#include<stdio.h>
void swap(int a,int b);
void main()
{
int x,y;
printf("\n Enter value for x:");
scanf("%d",&x);
printf("\n Enter value for y:");
scanf("%d",&y);
printf("\n Before calling swap functin\n");
printf("\n Value of x=%d,Value of y=%d\n",x,y);
swap(x,y);
printf("\n After returning from swap function");
printf("\n Value of x=%d,value of y=%d\n",x,y);
}
void swap(int a,int b)
{
int temp;
printf("\n Inside the function \n");
printf("\n Value of a=%d,Value of b=%d before swaping\n",a,b);
temp=a;
a=b;
b=temp;
printf("\n Value of a=%d,Value of b=%d after swaping\n",a,b);
}#include<stdio.h>
void swap(int *,int *);
void main()
{
int x,y;
printf("\n Enter value for x:");
scanf("%d",&x);
printf("\n Enter value for y:");
scanf("%d",&y);
printf("\n Before calling swap functin\n");
printf("\n Value of x=%d,Value of y=%d\n",x,y);
swap(&x,&y);
printf("\n After returning from swap function");
printf("\n Value of x=%d,value of y=%d\n",x,y);
}
void swap(int *a,int *b)
{
int temp;
printf("\n Inside the function \n");
printf("\n Value of a=%d,Value of b=%d before swaping\n",*a,*b);
temp=*a;
*a=*b;
*b=temp;
printf("\n Value of a=%d,Value of b=%d after swaping\n",*a,*b);
}#include<stdio.h>
#include<string.h>
struct employee
{
int code;
char name[20];
char department[20];
float salary;
};
void main()
{
struct employee e;
printf("enter employee code\n");
scanf("%d",&e.code);
printf("enter employee name\n");
scanf("%s",&e.name);
printf("enter employee department\n");
scanf("%s",&e.department);
printf("enter employee salary\n");
scanf("%f",&e.salary);
printf("information about employee is \n");
printf("Employee code: %d \n",e.code);
printf("Employee name: %s \n",e.name);
printf("Employee department: %s \n",e.department);
printf("Employee salary: %f \n",e.salary);
}#include<stdio.h>
struct fraction
{
int num;
int den;
};
void main()
{
int rnum,rden;
struct fraction f1,f2;
printf("enter numerator and denominator of first fraction\n");
scanf("%d%d",&f1.num,&f1.den);
printf("enter numerator and denominator of second fraction\n");
scanf("%d%d",&f2.num,&f2.den);
rnum=f1.num*f2.num;
rden=f1.den*f2.den;
printf("\nproduct is : %d/%d\n",rnum,rden);
}