#include<stdio.h> int main() { int hour1,minute1,hour2,minute2; int h,m; scanf("%d %d",&hour1,&minute1); scanf("%d %d",&hour2,&minute2); h=hour2-hour1; m=minute2-minute1; if (m<0) { m=m+60; h=h-1; } printf("%d",h*60+m); return 0; }刚刚开始学习c语言,以小白的视角解这个时间差的题。