摘要: 114. Flatten Binary Tree to Linked List Given a binary tree, flatten it to a linked list in-place. For example, given the following tree: The flattene 阅读全文
posted @ 2019-04-21 22:06 mingL 阅读(120) 评论(0) 推荐(0) 编辑
摘要: 113. Path Sum II Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum. Note: A leaf is a node with no 阅读全文
posted @ 2019-04-21 22:02 mingL 阅读(128) 评论(0) 推荐(0) 编辑
摘要: 112. Path Sum 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 th 阅读全文
posted @ 2019-04-21 22:00 mingL 阅读(115) 评论(0) 推荐(0) 编辑