PLEASE HELP

Revision ru1, by G63-AMG, 2020-06-17 16:11:50

Hello, everybody. Can anyone help me to solve this problem? I can't solve it and editorial written on Japanese. I didn't understand. Thanks! http://atcoder.jp/contests/arc066/tasks/arc066_b?lang=en

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ru1 Russian G63-AMG 2020-06-17 16:11:50 209 Первая редакция (опубликовано)