2020年3月7日
114. Flatten Binary Tree to Linked List
摘要： Given a binary tree, flatten it to a linked list in-place. For example, given the following tree: 1 / \ 2 5 / \ \ 3 4 6 The flattened tree should look 阅读全文
posted @ 2020-03-07 16:07 米开朗菠萝 阅读(84) 评论(0) 推荐(0)
112. Path Sum
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. N 阅读全文
posted @ 2020-03-07 15:19 米开朗菠萝 阅读(144) 评论(0) 推荐(0)