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| back to board | To admin: please fix the problem statement. In this problem, all the operations should be done on the SAME computer, but I could NOT understand this from the statement, until I read the forum.This problem is quite easy: simple bruteforce could AC in short time, but I think this bug in statement have made this problem SEEMS hard (only 100+ ACed now).
 
 Please, fix it.
Re: To admin: please fix the problem statement. Posted by Walker  18 Aug 2021 06:36I think you can do on every computers.But doing on the same computer is the best solution.Maybe.
 
 Sorry my bad English.:)
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