计算时间差plus.c

#include <stdio.h>

int main(){

int hour1, minute1;

int hour2, minute2;

scanf("%d %d", &hour1, &minute1);

scanf("%d %d", &hour2, &minute2);

int ih = hour2 - hour1;

int im = minute2 - minute1;

if ( im < 0 ){

        im = 60 + im;

        ih --;

}

printf("时间差是%d小时%d分。\n", ih, im);

return 0;

}