/
446.cpp
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/
446.cpp
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//Acm446 Kibbles `n' Bits `n' Bits `n' Bits
//Solved By Bikas Cse Sust
#include<stdio.h>
#include<string.h>
#include<math.h>
void hexa_to_binary(char a[]);
int hexa_to_decimal(char a[]);
void main()
{
int testCase,sum1,sum2;
char a[4],ch;
scanf("%d",&testCase);
while(testCase>0){
scanf(" %s ",a);
hexa_to_binary(a);
sum1=hexa_to_decimal(a);
scanf(" %c %s",&ch,a);
printf(" %c ",ch);
hexa_to_binary(a);
sum2=hexa_to_decimal(a);
if(ch=='+')
sum1=sum1+sum2;
if(ch=='-')
sum1=sum1-sum2;
printf(" = %d\n",sum1);
testCase--;
}
}
//returning the decimal of equivalent (char) Hexadecimal number
int hexa_to_decimal(char a[])
{
int m,x,i,decimal=0,p;
m=strlen(a);
x=m-1;
for(i=0;i<m;i++)
{
if(a[i]=='A'||a[i]=='a') p=10;
else if(a[i]=='B'||a[i]=='b')p=11;
else if(a[i]=='C'||a[i]=='c')p=12;
else if(a[i]=='D'||a[i]=='d')p=13;
else if(a[i]=='E'||a[i]=='e')p=14;
else if(a[i]=='F'||a[i]=='f')p=15;
else p= ((int)a[i]-48) ;
decimal+= p * pow(16,x);
x--;
}
return decimal;
}
// printing binary representation of the (char)hexadecimal number in 13 field width
void hexa_to_binary(char a[])
{
int m,i;
m=strlen(a);
if(m==1)
printf("000000000");
else if(m==2)
printf("00000");
else if(m==3)
printf("0");
for(i=0;i<m;i++)
{
if(a[i]=='F' || a[i]=='f' )
printf("1111");
else if(a[i]=='E'||a[i]=='e')
printf("1110");
else if(a[i]=='D'||a[i]=='d')
printf("1101");
else if(a[i]=='C'||a[i]=='c')
printf("1100");
else if(a[i]=='B'||a[i]=='b')
printf("1011");
else if(a[i]=='A'||a[i]=='a')
printf("1010");
else if(a[i]=='0')
printf("0000");
else if(a[i]=='1')
printf("0001");
else if(a[i]=='2')
printf("0010");
else if(a[i]=='3')
printf("0011");
else if(a[i]=='4')
printf("0100");
else if(a[i]=='5')
printf("0101");
else if(a[i]=='6')
printf("0110");
else if(a[i]=='7')
printf("0111");
else if(a[i]=='8')
printf("1000");
else if(a[i]=='9')
printf("1001");
}
}