Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
AND Permutation0.0813419711558%6.7Harden
Apple Orchard1.214775251040%8.9Harden
Cleaning Robot0.5399821816375%7.1Harden
Contest Construction0.0019027022282%4.8Mediumen
Ketek Counting0.061001574172%7.2Harden
Mountainous Palindromic Subarray0.028533029288%3.7Mediumen
Permutation CFG0.192208341956%7.7Harden
Special Cycle0.002440621118%9.4Harden
The King's Guards0.022541261454%7.9Harden
The Paladin0.0038517415187%4.7Mediumen
Token Game0.201083564275%7.2Harden
TraveLog0.16108915611976%6.9Harden
You be The Judge, Again0.0240131227989%3.4Mediumen