Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine ...
给定一个非空字符串 s 和一个包含非空单词列表的字典 wordDict,判定s 是否可以被空格拆分为一个或多个在字典中出现的单词。 思路分析: 比较容易想到的解法是,从字符串 s 开头处开始匹配,若匹配到字典里的字符串,则继续匹配剩下的字符串。这样递归下去,直到找到一个可行的序列或尝试所有的单词组合。 提交的时候发现算法超时,后来想想其实这种解法存在很大的冗余,比如同时存在 a, b, ab的字典 ...
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Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine ...
Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine ...
Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determ ...
Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, add space ...
方法一:C++ dfs+string to int的哈希表 方法二:使用Trie树 一个别人家的java代码,依赖于Trie树题目中的Trie class 实现; python ...
Given a list of words (without duplicates), please write a program that returns all concatenated ...
In English, we have a concept called root, which can be followed by some other words to form a ...