```cpp
if (b < d)
{
int f = b + 60 - d;
int e = a - c - 1;
}
else
{
int e = a - c;
int f = b - d;
}
```
是不是写反了？（int不要在if或else里面写，开始和结束时间也写反了）
改成：
```cpp
if(b<=d){
e=c-a;
f=d-b;
}
else{
f=60-b+d;
e=c-a-1;
}
```
by Lemonlwl @ 2023-03-10 22:29:00
```cpp
printf("%d%d", e, f);
```
printf里面要加空格！！！
```cpp
printf("%d %d", e, f);
```
就可以[AC](https://www.luogu.com.cn/record/104275347)了。
by Lemonlwl @ 2023-03-10 22:31:23
你谷小学生真可爱。
by Lemonlwl @ 2023-03-10 22:32:53
SB
by Xmb12567 @ 2024-05-05 12:20:51