Contest is over.
02:30 window between December 30, 2020, 16:00 +07 and December 31, 2020, 14:39 +07
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This contest will not be rated.
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Partial scoring is enabled for some or all of these problems.
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The pretest system will not be used for this contest.
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There is no submission limit for any of these problems.
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The contest format is VNOJ.
The maximum score submission for each problem will be used.
Each submission before the first maximum score submission will incur a penalty of 5 minutes.
Ties will be broken by the sum of the last score altering submission time on problems with a non-zero score (including penalty), followed by the time of the last score altering submission.
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The scoreboard will be visible for the duration of the contest.