2020 年 4月 29 日随笔档案 - 闲云潭影

2020年4月29日

摘要：二叉树的最近公共祖先 Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. According to the definition of LCA on Wikipedia: 阅读全文

posted @ 2020-04-29 06:15 闲云潭影阅读(155) 评论(0) 推荐(0)

填充每个节点的下一个右侧节点指针 II

摘要： Given a binary tree struct Node { int val; Node *left; Node *right; Node *next; } Populate each next pointer to point to its next right node. If there 阅读全文

posted @ 2020-04-29 05:23 闲云潭影阅读(128) 评论(0) 推荐(0)