Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
AND Permutation0.0913481914518%7.0Harden
Apple Orchard1.3155551581811%7.9Harden
Cleaning Robot0.5399884318522%7.3Harden
Contest Construction0.0019048724049%4.7Mediumen
Ketek Counting0.0610011975528%7.9Harden
Mountainous Palindromic Subarray0.0211782131338%3.9Mediumen
Permutation CFG0.2529061111917%8.0Harden
Special Cycle0.0024404804910%9.4Harden
The King's Guards0.022541154128%8.3Harden
The Paladin0.0038539815940%4.6Mediumen
Token Game0.2011751834826%6.8Harden
TraveLog0.16108974013518%7.1Harden
You be The Judge, Again0.0240166728943%3.5Mediumen