用读入优化
by 45dino @ 2021-08-18 12:59:39
谢谢
by Balloonist @ 2021-08-18 13:07:21
@[DL——OTZ](/user/131314) cin和cout太慢，加个
```cpp
std::ios::sync_with_stdio(0);
```
就行了
by Zvelig1205 @ 2021-08-18 13:07:31
ok
：）
by Balloonist @ 2021-08-18 13:08:38
@[DL——OTZ](/user/131314) 数组开小了。
by 西湖水妖 @ 2022-02-15 20:47:09