摘要：
Add and Search Word - Data structure design (M) 题目 Design a data structure that supports the following two operations: void addWord(word) bool search( 阅读全文
摘要：
Implement Trie (Prefix Tree) (M) 题目 Implement a trie with insert, search, and startsWith methods. Example: Trie trie = new Trie(); trie.insert("apple" 阅读全文