@[printfscanf_](/user/552724) 我曾经也是 80 分，你 if 写错了
```
#include<stdio.h>
int a,b,c,d;
int main(){
scanf("%d%d%d%d",&a,&b,&c,&d);
if(b>d)
printf("%d %d",c-1-a,d+60-b);
else
printf("%d %d",c-a,d-b);
return 0;
}
```
by qwq___qaq @ 2021-08-17 22:18:43
@[printfscanf_](/user/552724) ~~可输中量或参解改~~
by qwq___qaq @ 2021-08-17 22:19:34
@[pengzijun](/user/556362)
谢谢
by printfscanf_ @ 2021-08-17 22:22:03