Sum Root to Leaf Numbers 1

Title: Sum Root to Leaf Numbers Source:

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,

The root-to-leaf path 1->2 represents the number 12.
The root-to-leaf path 1->3 represents the number 13.

Return the sum = 12 + 13 = 25.

Python solution

Sum Root to Leaf Numbers
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One comment on “Sum Root to Leaf Numbers

  1. Reply Alojamiento web Aug 28,2016 2:01 pm

    Given a binary tree, where every node value is a Digit from 1-9 .Find the sum of all the numbers which are formed from root to leaf paths.

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