Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
AND Permutation0.0813420411958%6.8Harden
Apple Orchard1.214775251040%8.9Harden
Cleaning Robot0.5399822216574%7.1Harden
Contest Construction0.0019027622983%4.7Mediumen
Ketek Counting0.061001594271%7.1Harden
Mountainous Palindromic Subarray0.028533529789%3.7Mediumen
Permutation CFG0.192208361953%7.8Harden
Special Cycle0.002440631117%9.4Harden
The King's Guards0.022539281554%7.9Harden
The Paladin0.0038517715487%4.7Mediumen
Token Game0.201083584272%7.4Harden
TraveLog0.16108916012377%6.9Harden
You be The Judge, Again0.0240131628289%3.4Mediumen