This contest will not be rated.

• Partial scoring is enabled for some or all of these problems.

• The pretest system will not be used for this contest.

• There is no submission limit for any of these problems.

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.