View Code of Problem 56

#include<stdio.h>
#include<math.h>
#include <string.h>
#define Max 1000
int main()
{
	int a[3],b[3],c[3];
	int s1,s2,s3;
	scanf("%d:%d:%d",&a[0],&a[1],&a[2]);
	scanf("%d:%d:%d",&b[0],&b[1],&b[2]);
	s1=a[0]*3600+a[1]*60+a[2];
	s2=b[0]*3600+b[1]*60+b[2];
	
	s3=fabs(s1-s2);
	c[0]=s3/3600;
	c[1]=(s3-3600)/60;
	c[2]=s3%60;
	
	printf("%2d:%02d:%02d",c[0],c[1],c[2]);
	
	return 0;
}