Javascript Solution For LeetCode Problem: Symmetric Tree
Solving Symmetric Tree in Javascript. Please try yourself first to solve the problem and submit your implementation to LeetCode before looking into solution.
Problem Description
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).
For example, this binary tree [1,2,2,3,4,4,3] is symmetric:
1 / \ 2 2 / \ / \ 3 4 4 3
But the following [1,2,2,null,3,null,3] is not:
1 / \ 2 2 \ \ 3 3
Note: Bonus points if you could solve it both recursively and iteratively.
See the full details of the problem Symmetric Tree at LeetCode
Originally posted at: @github.com/ignacio-chiazzo/Algorithms-Leetcode-Javascript
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