Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
AND Permutation0.0913469713620%6.2Harden
Apple Orchard1.4555551331713%7.9Harden
Cleaning Robot0.53111374716522%7.3Harden
Contest Construction0.0035537118750%5.1Mediumen
Ketek Counting0.0610011675432%7.5Harden
Mountainous Palindromic Subarray0.0211777129438%3.9Mediumen
Permutation CFG0.252906751723%8.3Harden
Special Cycle0.002440378308%9.5Harden
The King's Guards0.0225411111110%8.5Harden
The Paladin0.0038535314742%4.8Mediumen
Token Game0.2011751564428%7.3Harden
TraveLog0.16158868612919%7.3Harden
You be The Judge, Again0.0356751023045%3.6Mediumen