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@Hostek
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@Hostek Hostek commented Nov 19, 2025

It's nice problem. It's from Balkan OI 2018

In solution you use HLD + Max Matching (HopcroftKarp)

@mhayter
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mhayter commented Nov 21, 2025

Thanks!

@mhayter mhayter merged commit 527cce5 into cp-algorithms:main Nov 21, 2025
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github-actions bot added a commit that referenced this pull request Nov 21, 2025
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2 participants