%%%这就是小韭菜吗吊打me by zuoyifan @ 2021-04-27 15:29:34
应该是 ```cpp t=p+2*n+q+1; ``` 但是我写成 ```cpp t=p+2*n+1; ``` 然后答案始终多一，减一交上去也过了... by Xu__ @ 2021-12-25 20:44:01