Open KsGin opened 6 years ago
https://blog.ksgin.com/2018/05/21/Second-Minimum-Node-In-A-Binary-Tree/#more
题目地址LeetCode#671 Second Minimum Node In A Binary Tree 题目描述 Given a non-empty special binary tree consisting of nodes with the non-negative value, where each node in this tree has exactly tw
https://blog.ksgin.com/2018/05/21/Second-Minimum-Node-In-A-Binary-Tree/#more
题目地址LeetCode#671 Second Minimum Node In A Binary Tree 题目描述 Given a non-empty special binary tree consisting of nodes with the non-negative value, where each node in this tree has exactly tw