2020年2月21日
LeetCode 690. Employee Importance 员工的重要性(C++/Java)
摘要： 题目： You are given a data structure of employee information, which includes the employee's unique id, his importance value and his direct subordinates' 阅读全文
posted @ 2020-02-21 22:33 silentteller 阅读(369) 评论(1) 推荐(0)
LeetCode 684. Redundant Connection 冗余连接(C++/Java)
摘要： 题目： In this problem, a tree is an undirected graph that is connected and has no cycles. The given input is a graph that started as a tree with N nodes 阅读全文
posted @ 2020-02-21 21:45 silentteller 阅读(247) 评论(0) 推荐(0)
LeetCode 208. Implement Trie (Prefix Tree) 实现 Trie (前缀树)(C++/Java)
摘要： 题目： Implement a trie with insert, search, and startsWith methods. Example: Trie trie = new Trie(); trie.insert("apple"); trie.search("apple"); // retu 阅读全文
posted @ 2020-02-21 20:16 silentteller 阅读(270) 评论(0) 推荐(0)