2020年1月5日
[LC] 298. Binary Tree Longest Consecutive Sequence
摘要： Given a binary tree, find the length of the longest consecutive sequence path. The path refers to any sequence of nodes from some starting node to any 阅读全文
posted @ 2020-01-05 11:15 xuan_abc 阅读(91) 评论(0) 推荐(0)
[LC] 102. Binary Tree Level Order Traversal
摘要： Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level). For example:Given binary tree [3 阅读全文
posted @ 2020-01-05 10:45 xuan_abc 阅读(142) 评论(0) 推荐(0)
[LC] 107. Binary Tree Level Order Traversal II
摘要： Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For 阅读全文
posted @ 2020-01-05 07:38 xuan_abc 阅读(169) 评论(0) 推荐(0)
[LC] 513. Find Bottom Left Tree Value
摘要： Given a binary tree, find the leftmost value in the last row of the tree. Example 1: Input: 2 / \ 1 3 Output: 1 Example 2: Input: 1 / \ 2 3 / / \ 4 5 阅读全文
posted @ 2020-01-05 06:31 xuan_abc 阅读(130) 评论(0) 推荐(0)