Day 36 — Merge Binary Tree

Day 36 — Merge Binary Tree

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.

Introduction🛹

Hey Guys, Today is Day 36ofthe challenge that I took. Wherein I will be solving every day for 100 days the programming questions that have been asked in** previous interviews.**

You have a bonus at the end if you keep reading. You can find out the companies that have asked these questions in real interviews.

All these problems are taken from the following e-book. 🎓

This is completely free 🆓 if you have an amazon kindle subscription.

This** e-book contains 100 coding problems** that have been asked in top tech interview questions. It also has a guide to solving *all the problems in **200+ ways. *These problems I assure you** has been asked in previous interviews.

You have to decide whether you want to go** unprepared *for a tech interview or go ahead and **quick search for this guide *to solve the 100 problems.

Begin Your ascent to greatness🚀

Note :_ this e-book only contains the _links __to the__solutions.

Day 36 — Merge Binary Tree🏁

AIM🏹

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🕶

Input: 
    Tree 1                     Tree 2                  
          1                         2                             
         / \                       / \                            
        3   2                     1   3                        
       /                           \   \                      
      5                             4   7                  
Output: 
Merged tree:
         3
        / \
       4   5
      / \   \ 
     5   4   7

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