Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
AND Permutation0.0913471113819%6.3Harden
Apple Orchard1.4555551331713%7.9Harden
Cleaning Robot0.53111375116722%7.3Harden
Contest Construction0.0035537218851%5.1Mediumen
Ketek Counting0.0610011745532%7.4Harden
Mountainous Palindromic Subarray0.0211777329538%3.9Mediumen
Permutation CFG0.252906801822%8.3Harden
Special Cycle0.0024403974411%9.4Harden
The King's Guards0.0225411111110%8.5Harden
The Paladin0.0038535614842%4.8Mediumen
Token Game0.2011751564428%7.3Harden
TraveLog0.16158869513019%7.3Harden
You be The Judge, Again0.0356758527046%3.5Mediumen