Can you tell whats wrong in the code

i know it should be implemented using hashing but plss tell me whats wrong in my code

Hello @adarshsingh2k
the link that u have shared is not correct,
pls check and share the correct link

@adarshsingh2k

hey this is the code that u have shared to me,
i think this is solution of some other problem if so then share the correct problem link.

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