摘要：
JAVA: class WordDictionary { private Node head; /** * Initialize your data structure here. */ public WordDictionary() { this.head = new Node(null); } 阅读全文
摘要：
JAVA 实现： class Trie { private Node head; /** * Initialize your data structure here. */ public Trie() { this.head = new Node(); } /** * Inserts a word 阅读全文
摘要：
JAVA： public List<List<String>> suggestedProducts(String[] products, String searchWord) { Node head = initTree(products); List<List<String>> reList = 阅读全文