```cpp
#include<queue>
```
by bunH2O @ 2020-12-19 11:31:16
`std::queue`
by cmll02 @ 2020-12-19 11:31:18
是不是要用命名空间？
by abruce @ 2020-12-19 11:31:23
@[bunH2O](/user/195338) lz加万能头了
by cmll02 @ 2020-12-19 11:31:37
@[cmll02](/user/171487) az
那应该是```std::queue```
by bunH2O @ 2020-12-19 11:32:08
你的
```
using namespace std;
```
呢
by 血色黄昏 @ 2020-12-19 11:32:14
@[abruce](/user/104324) 疑惑已经解除了，谢谢！！
by Sora1336 @ 2020-12-19 11:32:24
@[Inversentropir_36](/user/294745) cao怎么和我NOIP的时候一样的https://www.luogu.com.cn/blog/lcm2019/noip2020-you-ji
by __gcd @ 2020-12-19 11:52:15
`std::queue`
by CGDGAD @ 2020-12-19 12:13:03