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文章 2022-02-16 来自：开发者社区

leetCode 112. Path Sum 二叉树问题

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 the given sum. For example:Given the below binary .....

文章 2022-02-16 来自：开发者社区

leetCode 113. Path Sum II 二叉树问题 | Medium

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. For example:Given the below binary tree and sum = 22,   &nb...

文章 2022-02-16 来自：开发者社区

[LeetCode] Binary Tree Maximum Path Sum 求二叉树的最大路径和

Given a binary tree, find the maximum path sum. The path may start and end at any node in the tree. For example: Given the below binary tree, 1 / \ 2 3 Return 6. 这道求二叉树的最大路径和是一道蛮有难度的题，难就难在起始位置和结束...

文章 2022-02-16 来自：开发者社区

[LeetCode] Path Sum III 二叉树的路径和之三

You are given a binary tree in which each node contains an integer value. Find the number of paths that sum to a given value. The path does not need to start or end at the root or a leaf, but it must....

文章 2022-02-16 来自：开发者社区

[LeetCode] Path Sum II 二叉树路径之和之二

Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum. For example: Given the below binary tree and sum = 22, 5 / \ ...

文章 2022-02-16 来自：开发者社区

[LeetCode] Path Sum IV 二叉树的路径和之四

If the depth of a tree is smaller than 5, then this tree can be represented by a list of three-digits integers. For each integer in this list: The hundreds digit represents the depth D ...

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