```cpp
cin >> m >> n;
```
by ScapegoatTree @ 2023-05-10 19:15:23
@[bylgd](/user/920843)
by ScapegoatTree @ 2023-05-10 19:16:00
可以加ios::sync_with_stdio(false)
这个可以加速代码的运行
by Tico0513 @ 2023-05-10 19:35:10
@[Tico0513](/user/838729) 并不需要
by ScapegoatTree @ 2023-05-10 19:39:47
@[register_long_double](/user/739444) 谢谢大佬，已AC！！！
by bylgd @ 2023-05-10 19:45:12
@[Tico0513](/user/838729) 谢谢
by bylgd @ 2023-05-10 19:45:44
@[bylgd](/user/920843) 是YTEZ信竞队成员吧，同学，不用谢
by ScapegoatTree @ 2023-05-10 19:48:59
膜拜ybw大佬
by bylgd @ 2023-05-11 12:08:36