Tree : Level-Order-Traversal or Breath-First-Search

In this post, I will summarize a Binary’s Search Trees (BST)s, level order traversal. I picked this problem from HackerRank Site and feel like, its been touch based so much every where it needs a place where the problem and solution can be easily searched and read. So here we go…

Problem

Given a pointer to the root of a binary tree, you need to print the level order traversal of this tree. In level-order traversal, nodes are visited level by level from left to right. Complete the function and print the values in…