Help needed in problem 392A (No editorial)

Правка en1, от samurai123, 2018-03-07 16:43:42

Hello Codeforces, Can anyone help me in the Problem? There is no editorial for these round. I read others codes but it is hard to find out logic from that. Any help will be appreciated. Thanks.

Теги help, math, div2c

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en1 Английский samurai123 2018-03-07 16:43:42 284 Initial revision (published)