Hi, guys! Does anyone have an strategy to solve C, D, E problems? I mean what kind of stuff shall I know to able to solve them quickly. It would be cool if you will share your methods. Thanks!
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Codeforces (c) Copyright 2010-2026 Михаил Мирзаянов
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Try to solve problems that you didn't solve during contests and solve problems with slightly higher level than yours. If the algorithm that solves the problem is unknown to you, first study it.