Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
AND Permutation0.0813484315719%6.7Harden
Apple Orchard1.3155551591811%7.9Harden
Cleaning Robot0.5399884518622%7.3Harden
Contest Construction0.0019049124249%4.7Mediumen
Ketek Counting0.0610011985528%7.8Harden
Mountainous Palindromic Subarray0.0211782231338%3.9Mediumen
Permutation CFG0.2529061121917%8.0Harden
Special Cycle0.0024404835010%9.4Harden
The King's Guards0.022541156128%8.3Harden
The Paladin0.0038540116040%4.6Mediumen
Token Game0.2011751854826%6.7Harden
TraveLog0.16108974213518%7.0Harden
You be The Judge, Again0.0240167429143%3.5Mediumen