Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
AND Permutation0.0913478514418%6.7Harden
Apple Orchard1.3155551461812%7.9Harden
Cleaning Robot0.53111377217222%7.3Harden
Contest Construction0.0019047223750%4.8Mediumen
Ketek Counting0.0610011845530%7.4Harden
Mountainous Palindromic Subarray0.0211779530338%3.9Mediumen
Permutation CFG0.252906901820%8.2Harden
Special Cycle0.0024404674910%9.2Harden
The King's Guards0.022541143128%8.3Harden
The Paladin0.0038537715341%4.7Mediumen
Token Game0.2011751674628%6.9Harden
TraveLog0.16108971713218%7.2Harden
You be The Judge, Again0.0340162228345%3.5Mediumen