Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
AND Permutation0.0813485315919%6.6Harden
Apple Orchard1.3155551591811%7.9Harden
Cleaning Robot0.5399884618622%7.2Harden
Contest Construction0.0019049824549%4.7Mediumen
Ketek Counting0.0610011995528%7.8Harden
Mountainous Palindromic Subarray0.0211782431438%3.9Mediumen
Permutation CFG0.2529061131917%8.0Harden
Special Cycle0.0024404845010%9.4Harden
The King's Guards0.022541157128%8.3Harden
The Paladin0.0038540716140%4.5Mediumen
Token Game0.2010832035929%6.6Harden
TraveLog0.16108979813917%6.9Harden
You be The Judge, Again0.0240171329642%3.5Mediumen