@[11scr20](/user/684468) 你写freopen干嘛
by 3a51_ @ 2022-04-21 06:52:42
@[Tothetime_tolife](/user/327444) e
by 11scr20 @ 2022-04-21 07:13:39
@[Tothetime_tolife](/user/327444) 以前做的，搬来的，原来的要freopen
by 11scr20 @ 2022-04-21 07:14:23
@[Tothetime_tolife](/user/327444) 去掉freopen后第一个点WA
by 11scr20 @ 2022-04-21 07:16:33
```cpp
int ans=0;
```
这样就行了
by Fleeing_loser @ 2022-04-21 08:06:04