编辑代码

#include <stdio.h>
int main () {
    
    int hour1;
    int hour2;
    int minute1;
    int minute2;
    
    printf("请输入时间1：");
    scanf("%d %d",&hour1,&minute1);
    printf("请输入时间2：");
    scanf("%d %d",&hour2,&minute2);

    int ih = hour2 - hour1;
    int im = minute2 - minute1;

    if ( im < 0 ){
        im = 60 + im;
        ih --;
    }

    printf("时差是:d小时%d分\n", ih , im );

    return 0;
}