Editorial for CCC '15 S1 - Zero That Out
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
Author:
This problem is simply implementing a stack which pushes the input onto the stack when non-zero, and pops the top of the stack when zero.
Complexity:
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