View Code of Problem 56

#include <stdio.h>
int main()
{
	int a[1000],b[1000],c[1000];
	int i , j;
	for(i=0;i<2;++i)
	  scanf("%d:",&a[i]);
	scanf("%d",&a[2]);	
	for(j=0;j<2;++j)
	  scanf("%d:",&b[j]);
	scanf("%d",&b[2]); 
	 for(i=0;i<3;++i)
     {
     	if(a[i]>=b[i])
     	  c[i] = a[i]-b[i];
     	else c[i]= b[i] - a[i] ;   	
	 }
     printf("%d:%02d:%02d",c[0],c[1],c[2]);
	  return 0; 
 }