WTF? Are we back in 1990s?
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Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2)
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Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2)
3 days
Register now »
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I know that we can do it with a rough decision, but do we have some optimal way to solve it?
My solution
Codeforces (c) Copyright 2010-2026 Mike Mirzayanov
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