npgnghi2003's blog

By npgnghi2003, history, 4 years ago, In English

Hi everyone, i am creating a contest for my group but i dont'n know how to check in a many answer problem. This is my checker code:

https://ideone.com/JInIHg

I don't know why when my test is true it have to quit _ok but it return ERROR: Unexpected verdict PRESENTATION_ERROR wrong output format Extra information in the output file. Anyone can help me?? please!!!

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