prefix tree
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[Algo Rhythm🕺💃] LeetCode 720. Longest Word in DictionaryAlgo Rhythm🕺💃/LeetCode 2020. 9. 4. 01:05
📚 Problem description Given a list of strings words representing an English Dictionary, find the longest word in words that can be built one character at a time by other words in words. If there is more than one possible answer, return the longest word with the smallest lexicographical order. If there is no answer, return the empty string. Example 1: Input: words = ["w","wo","wor","worl", "world..
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[Algo Rhythm🕺💃] LeetCode 208. Implement Trie (Prefix Tree)Algo Rhythm🕺💃/LeetCode 2020. 9. 3. 16:04
📚 Problem description Implement a trie with insert, search, and startsWith methods. Example: Trie trie = new Trie(); trie.insert("apple"); trie.search("apple"); // returns true trie.search("app"); // returns false trie.startsWith("app"); // returns true trie.insert("app"); trie.search("app"); // returns true Note: You may assume that all inputs are consist of lowercase letters a-z. All inputs ar..