Lec-56: Preorder, Inorder and Postorder in 5 minute | Tree Traversal | Easiest and Shortest Trick
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👉Subscribe to our new channel:https://www.youtube.com/@varunainashots Pre-order traversal while duplicating nodes and values can make a complete duplicate of a binary tree. It can also be used to make a prefix expression (Polish notation) from expression trees: traverse the expression tree pre-orderly. In-order traversal is very commonly ...
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