Write a code to determing whether a binary tree is symmetric or not (symmetricity is based on data i.e., folding the tree with respect to the root node, all the leaf nodes which overlap should have same data)

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fwd_slash · Accepted Answer

The Strings generated by doing a pre-order and post-order traversals should be reverse of each other

Anonymous · Answer

a pre-order traversal is enough, is the string is symmetric , then the tree is symmetric

Anonymous · Answer

If we do an inorder traversal and the result string is a palindrome, then the tree is symmetric

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