POTD- 04/07/2024 | Duplicate Subtrees | Problem of the Day | GeeksforGeeks

POTD: www.geeksforgeeks.org/problem...
Code: discuss.geeksforgeeks.org/com...
Timestamp:
00:00 - Explanation
00:36 - Approach
04:46 - Code
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[@PulkitMalhotra]

You can apply preOrder, inOrder, or postOrder.
In the Example TestCase1 Output is wrong It should be 2,4 only. No matter how many times duplicates subtree is there we have to consider only 1 time in our answer.
In the example, 4 occured 3 times but we have to consider 1 time in duplicate and list.