Hashmap in a recursive function

Can we pass hashmap to a recursive funcition, If yes what could be the disadvantages

Pass by reference or value?

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why would that matter

Pass by reference passes the address, takes O(1) time.
Pass by value creates a new copy. It will copy all keys and values of the hashmap into a new one. This is much slower.


Why not give it a try instead of asking it :slightly_smiling_face:?


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