c++游戏帖

[1](https://www.luogu.org/discuss/show/30357) [2](https://www.luogu.org/discuss/show/52099) [3](https://www.luogu.org/discuss/show/59352) [4](https://www.luogu.org/discuss/show/61543) [5](https://www.luogu.org/paste/i0djuakb) [彩票](https://www.luogu.org/discuss/show/30586)