Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the total sum of all root-to-leaf numbers. Note: A leaf is a node…

Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the total sum of all root-to-leaf numbers. For example, 1 / \ 2 3…

Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the total sum of all root-to-leaf numbers. For example, 1 / \ 2 3…

给定一个二叉树,它的每个结点都存放一个 0-9 的数字,每条从根到叶子节点的路径都代表一个数字. 例如,从根到叶子节点路径 1->2->3 代表数字 123. 计算从根到叶子节点生成的所有数字之和. 说明: 叶子节点是指没有子节点的节点. 示例 1: 输入: [1,2,3] 1 / \ 2 3 输出: 25 解释: 从根到叶子节点路径 1->2 代表数字 12. 从根到叶子节点路径 1->3 代表数字 13. 因此,数字总和 = 12 + 13 = 25. 示例 2: 输入: [4…

Given a binary tree containing digits from0-9only, each root-to-leaf path could represent a number. An example is the root-to-leaf path1->2->3which represents the number123. Find the total sum of all root-to-leaf numbers. For example, 1 / \ 2 3 The…

给定一个只包含 0-9 数字的二叉树,每个根到叶的路径可以代表一个数字.例如,从根到叶路径 1->2->3则代表数字 123.查找所有根到叶数字的总和.例如,    1   / \  2   3根到叶子路径 1->2 表示数字 12.根到叶子路径 1->3 表示数字 13.返回总和 = 12 + 13 = 25.详见:https://leetcode.com/problems/sum-root-to-leaf-numbers/description/ Java实现: /** * D…

Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the total sum of all root-to-leaf numbers. For example, 1 / \ 2 3…

https://leetcode.com/problems/sum-root-to-leaf-numbers/ Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the total…

Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the total sum of all root-to-leaf numbers. For example, 1 / \ 2 3…

Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 which represents the number 123. Find the total sum of all root-to-leaf numbers. For example, 1 / \ 2 3…