From ca4c4f7f8be13af4ec8106fdc6e07ca26d6927c1 Mon Sep 17 00:00:00 2001 From: ZGQ Date: Wed, 28 Sep 2022 20:07:51 +0800 Subject: [PATCH] =?UTF-8?q?Update=200129.=E6=B1=82=E6=A0=B9=E8=8A=82?= =?UTF-8?q?=E7=82=B9=E5=88=B0=E5=8F=B6=E8=8A=82=E7=82=B9=E6=95=B0=E5=AD=97?= =?UTF-8?q?=E4=B9=8B=E5=92=8C.md?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- problems/0129.求根到叶子节点数字之和.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/problems/0129.求根到叶子节点数字之和.md b/problems/0129.求根到叶子节点数字之和.md index 859df39e..bd5107a2 100644 --- a/problems/0129.求根到叶子节点数字之和.md +++ b/problems/0129.求根到叶子节点数字之和.md @@ -320,8 +320,11 @@ TypeScript: ```typescript function sumNumbers(root: TreeNode | null): number { if (root === null) return 0; + // 记录最终结果 let resTotal: number = 0; + // 记录路径中遇到的节点值 const route: number[] = []; + // 递归初始值 route.push(root.val); recur(root, route); return resTotal; @@ -342,6 +345,7 @@ function sumNumbers(root: TreeNode | null): number { }; } function listToSum(nums: number[]): number { + // 数组求和 return Number(nums.join('')); } };