刚在找树剖练习题,正打着一坨代码。现在居然蹦出个 $O(n^2)$ 过了!!! by Super_excavator @ 2023-09-04 21:05:48
补:我伪 $O(n^2)$ 76ms最优解,比我并查集快一倍多 by _Chesed_ @ 2023-09-04 21:24:54