Help in problem Sheets (Balkan OI 2017, day 1)

Revision en1, by alex_ita, 2019-08-03 17:45:37

Hi everyone. I've been struggling to solve this task for a longer period of time now. I've read the official code, but still I don't understand what it does. So, if anyone can help me, I would be very thankful...


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en1 English alex_ita 2019-08-03 17:45:37 325 Initial revision (published)