给你二叉树的根节点 root
和一个整数目标和 targetSum
,找出所有 从根节点到叶子节点 路径总和等于给定目标和的路径。
叶子节点 是指没有子节点的节点。
示例 1:
输入: root = [5,4,8,11,null,13,4,7,2,null,null,5,1], targetSum = 22 输出: [[5,4,11,2],[5,8,4,5]]
示例 2:
输入: root = [1,2,3], targetSum = 5 输出: []
示例 3:
输入: root = [1,2], targetSum = 0 输出: []
提示:
[0, 5000]
内-1000 <= Node.val <= 1000
-1000 <= targetSum <= 1000
1/** 2 * Definition for a binary tree node. 3 * function TreeNode(val, left, right) { 4 * this.val = (val===undefined ? 0 : val) 5 * this.left = (left===undefined ? null : left) 6 * this.right = (right===undefined ? null : right) 7 * } 8 */ 9/** 10 * @param {TreeNode} root 11 * @param {number} target 12 * @return {number[][]} 13 */ 14var pathSum = function(root, target) { 15 16};