Data-Structures-and-Algorithms/DATA STRUCTURES/Binary Tree/Check if Tree is Symmetry or Not at master · shoaibrayeen/Data-Structures-and-Algorithms

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code_1.cpp	code_1.cpp
code_2.cpp	code_2.cpp
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Given a binary tree, check whether it is a mirror of itself.

 this binary tree is symmetric:

     1
   /   \
  2     2
 / \   / \
3   4 4   3
But the following is not:

    1
   / \
  2   2
   \   \
   3    3