# Day 26 of June LeetCode Challenge

1 min readJun 26, 2020

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 with no children.