53:16:47
-4 days 18:43:13
Contest is over

CALCULUM 21-01-2026


Time elapsed

114:43:13

Time Remaining

53:16:47

Starts in

-4 days 18:43:13

Ends in

2 days 5:16:47

Start

2026-01-22 00:30 CET

End

2026-01-29 00:30 CET

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CALCULUM 21-01-2026

Welcome to CALCULUM 21-01-2026

This is the contest system for CALCULUM 21-01-2026. The contest has now started. Log in to submit a solution or view the current standings.

3
Problems
3
Contestants
54
Languages
52
Submissions

Description

Theme: Union-find

Start & End Times

Start Time 2026-01-22 00:30 CET
End time 2026-01-29 00:30 CET

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.

Standings

  • Standings are shown without limitation.