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 IOI (pre-2016).

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

• Ties by score will not be broken.

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