Help needed in Division by Two with Something Atcoder problem

Правка en1, от code_warrior, 2020-08-11 17:00:12

Can anyone explain me how to solve this problem .I read its editorial several times but still couldn't understand it. I checked it discuss section in codeforces, but nothing more has been said about this problem. Problem Editorial


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en1 Английский code_warrior 2020-08-11 17:00:12 394 Initial revision (published)