Web题目大意 \(n\) 个点的树，每条边上有一个小写字母。 操作：给定2个点 \(u\) ， \(v\) （ \(u\) 可能等于 \(v\) ）和一个非空字符串 \(s\) ，问从 \(u\) 到 \(v\) 的简单路径上的所有边按照到 \(u\) 的距离从小到大的顺序排列后，边上的字符依次拼接形成的字符串中给定的串 \(s\) 出现 … WebBZOJ 4231 memory tree (KMP+AC automata+fail tree+tree array) topic Description. The tree of memories is a tree. Specifically, it is an undirected connected graph with n points and n-1 edges, the points are labeled 1~n, and each edge has a character (for the purpose of simplification, we Think only lowercase letters).

大视野在线测评(BZOJ) 当前不可用 · Issue #1722 · OI-wiki/OI-wiki · GitHub

WebBZOJ 4231 Memory Tree (AC Automaton + BIT + KMP) The memory tree is a tree. Specifically, it is an undirected connection graph with n points n-1 edges. The dot labels are 1~n, and there is one character on each edge (for the sake of simplicity, we Think only lowercase letters). Web題目 Description 回憶樹是樹。 具體來說，是n個點n-1條邊的無向連通圖，點標號爲1~n，每條邊上有一個字符（出於簡化目的，我們認爲只有小寫字母）。 對一棵回憶樹來說，回憶當然是少不了的。 一次回憶是這樣的：你想起過往， tracks4crafts

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WebGitHub Webbzoj (lydsy.com) test data . Contribute to bzoj-data/bzoj-data development by creating an account on GitHub. WebContribute to cyx-6/bzoj development by creating an account on GitHub. tracks3下载