Post-order traversal first visits the left child (including its entire subtree), then visits the right child (including its entire subtree), and finally visits the node.
Given a Binary Tree, your task is to return its Post-Order Traversal.
Topics
Companies
Articles
Examples:
Expected Time Complexity: O(n)
Expected Auxiliary Space: O(log n) for recursive calls + O(n)
Constraints:
1 <= number of nodes <= 10^5
0 <= node->data <= 10^5
Companies:
WalmartMorgan Stanly
Topics:
Tree
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