Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine ...
給定一個非空字符串 s 和一個包含非空單詞列表的字典 wordDict,判定s 是否可以被空格拆分為一個或多個在字典中出現的單詞。 思路分析: 比較容易想到的解法是,從字符串 s 開頭處開始匹配,若匹配到字典里的字符串,則繼續匹配剩下的字符串。這樣遞歸下去,直到找到一個可行的序列或嘗試所有的單詞組合。 提交的時候發現算法超時,后來想想其實這種解法存在很大的冗余,比如同時存在 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樹 一個別人家的java代碼,依賴於Trie樹題目中的Trie class 實現; 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 ...