1394D
[CF1394D] Boboniu and Jianghu
D - Boboniu and Jianghu 设\(dp[i][0/1]\)表示当前链从下往上是不增/减的,那么当\(u\)与\(v\)(其中\(fa[v]=u\))的\(b\)不相同时,\(dp[v][0/1]\)的第二维转移的状态是确定的,否则就是不确定的,这时直接强制其取\(0\),然后向每 ......
CF1394D 题解
# CF1394D Boboniu and Jianghu 题解 ## Links [Luogu](https://www.luogu.com.cn/problem/CF1394D) [Codeforces](http://codeforces.com/problemset/problem/1394 ......