This will be a mirror of the 2022 International Olympiad in Informatics (IOI 2022) Day 1.

This contest is not rated.

• All problems will be C++ only.
• Contest duration: 5 hours.
• Number of problems: 3.
• Each problem is worth 100 points with subtasks that offer partial credit.
• Partial output: None.
• You may make up to 50 submissions for each task.
• Scoreboard will be visible.