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13 Numbers and trees


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Start

2025-04-21 16:00 CEST

End

2025-05-11 20:00 CEST

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13 Numbers and trees

Welcome to 13 Numbers and trees

Start & End Times

Start Time 2025-04-21 16:00 CEST
End time 2025-05-11 20:00 CEST

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Scoring

Pass/Fail — Ranked

Explanation:
Each problem is pass/fail. Participants are ranked by the number of solved problems, breaking ties by penalty (sum of time + 20 minutes per wrong submission, for all solved problems). Time is rounded to minutes.

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