526互联

1856e2

CodeForces 1856E2 PermuTree (hard version)

[洛谷传送门](https://www.luogu.com.cn/problem/CF1856E2 "洛谷传送门") [CF 传送门](https://codeforces.com/problemset/problem/1856/E2 "CF 传送门") 考虑局部贪心，假设我们现在在 $u$，我们希 ......
CodeForces PermuTree version 1856E2 1856E
共1篇  :1/1页 首页上一页1下一页尾页