Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
AND Permutation0.0913473814119%6.6Harden
Apple Orchard1.4555551421712%7.9Harden
Cleaning Robot0.53111376216922%7.3Harden
Contest Construction0.0019046022950%4.9Mediumen
Ketek Counting0.0610011805531%7.3Harden
Mountainous Palindromic Subarray0.0211778429938%4.0Mediumen
Permutation CFG0.252906861821%8.2Harden
Special Cycle0.0024404634911%9.2Harden
The King's Guards0.022541139129%8.1Harden
The Paladin0.0038537015141%4.7Mediumen
Token Game0.2011751624528%7.2Harden
TraveLog0.16158870813119%7.2Harden
You be The Judge, Again0.0340161128046%3.5Mediumen