Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
AND Permutation0.0913451410921%7.4Harden
Apple Orchard1.4555551161614%8.3Harden
Cleaning Robot0.53179063214723%7.3Harden
Contest Construction0.0035526316061%4.4Mediumen
Ketek Counting0.0610011485235%7.4Harden
Mountainous Palindromic Subarray0.0311764426842%3.7Mediumen
Permutation CFG0.252906631625%8.9Harden
Special Cycle0.00244033793%9.5Harden
The King's Guards0.022541911011%8.8Harden
The Paladin0.0038532014044%4.7Mediumen
Token Game0.2011751424230%7.2Harden
TraveLog0.16158863311819%7.3Harden
You be The Judge, Again0.0356747421545%3.6Mediumen