This contest will not be rated.

• This contest will not use partial scoring.

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

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

The contest format is ICPC.

• The maximum score submission for each problem will be used.

• Each submission before the first maximum score submission will incur a penalty of 20 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.

• The scoreboard will be frozen in the last 60 minutes.

The scoreboard will be visible for the duration of the contest.