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Takefumi Yamamura's blog

This blog is for my memorandum.

Takefumi Yamamura's b!og

This blog is for my memorandum

Word Break (LeetCode)

problem Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine if s can be segmented into a space-separated sequence of one or more dictionary words. You may assume the dictionary does not cont…

ハッシュテーブルをbitで管理 AtCoder Regular Contest 053 B - 回文分割

問題 note 回文になる文字列は出現回数が奇数の文字が1回以下の場合。 したがってアルファベット26文字が偶数か奇数かを管理すればよい。