Files
2020-08-07 17:06:53 +08:00

37 lines
727 B
Markdown
Executable File
Raw Permalink Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# [113. Path Sum II](https://leetcode.com/problems/path-sum-ii/)
## 题目
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 children.
**Example:**
Given the below binary tree and `sum = 22`,
5
/ \
4 8
/ / \
11 13 4
/ \ / \
7 2 5 1
Return:
[
[5,4,11,2],
[5,8,4,5]
]
## 题目大意
给定一个二叉树和一个目标和,找到所有从根节点到叶子节点路径总和等于给定目标和的路径。说明: 叶子节点是指没有子节点的节点。
## 解题思路
- 这一题是第 257 题和第 112 题的组合增强版