摘要：
Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest l 阅读全文
posted @ 2016-09-05 17:07 CSU蛋李 阅读(108) 评论(0) 推荐(0) 编辑
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 @ 2016-09-05 16:52 CSU蛋李 阅读(81) 评论(0) 推荐(0) 编辑
摘要：
Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as a binary tree in which the dept 阅读全文
posted @ 2016-09-05 14:55 CSU蛋李 阅读(90) 评论(0) 推荐(0) 编辑
摘要：
Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from the root node down to the nearest l 阅读全文
posted @ 2016-09-05 14:15 CSU蛋李 阅读(94) 评论(0) 推荐(0) 编辑
摘要：
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. F 阅读全文
posted @ 2016-08-28 15:45 CSU蛋李 阅读(107) 评论(0) 推荐(0) 编辑
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LeetCode 121. Best Time to Buy and Sell Stock 阅读全文
posted @ 2016-08-08 11:14 CSU蛋李 阅读(158) 评论(0) 推荐(0) 编辑