编辑代码

#include <stdio.h>
int main () {
   int hour1,minute1;
   int hour2,minute2;
   scanf("%d %d",&hour1,&minute1);
   scanf("%d %d",&hour2,&minute2);

    int t1 = hour1*60+minute1;
    int t2 = hour2*60+minute2;

    int t = t2-t1;
    
    printf("时间差是%d小时%d分钟",t/60,t%60);
    return 0;
}