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simes
Nov '20

I’ve not been able to find any test case where your code gives the wrong answer. You do have a mix of data types - long long int when you push something onto the stack, and only int when you pop it off, but I wasn’t able to create a test case where this caused a problem.

I’m sorry I’ve not been able to help.

pedroh1998
Nov '20

I fix that mix of data types, but don’t solve the problem. Ty bro.