View Code of Problem 56

#include<stdio.h>
#include<math.h> 

int main(){
	int hour1,minite1,second1;
	int hour2,minite2,second2;
	int hour3,minite3,second3;
	int time1,time2;
	scanf("%d:%d:%d",&hour1,&minite1,&second1);
	scanf("%d:%d:%d",&hour2,&minite2,&second2);	
	time1=hour1*3600+minite1*60+second1;
	time2=hour2*3600+minite2*60+second2;
	hour3=abs(time1-time2)/3600;
	minite3=(abs(time1-time2)-hour3*3600)/60;
	second3=abs(time1-time2)-hour3*3600-minite3*60;
	printf("%02d:%02d:%02d",hour3,minite3,second3);
}