# LeetCode Çözümleri – 617. Merge Two Binary Trees

LeetCode içerisinde bulunan “Merge Two Binary Trees” sorusunun açıklaması ve çözümü. Bu soruda size verilmiş olan iki adet binary tree içerisinde, aynı pozisyondaki node’ların değerlerini toplamanız isteniyor. Bunu istediğiniz binary tree içerisinde yapabilirsiniz.

► LeetCode 617. Merge Two Binary Trees : https://leetcode.com/problems/merge-two-binary-trees/

► Problem açıklaması:

Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are not.

You need to merge them into a new binary tree. The merge rule is that if two nodes overlap, then sum node values up as the new value of the merged node. Otherwise, the NOT null node will be used as the node of new tree.

Example 1:

Input:

Tree 1 Tree 2

1 2

/ \ / \

3 2 1 3

/ \ \

5 4 7

Output:

Merged tree:

3

/ \

4 5

/ \ \

5 4 7

Note: The merging process must start from the root nodes of both trees.