Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
AND Permutation0.081341739857%6.7Harden
Apple Orchard1.21477524938%8.5Harden
Cleaning Robot0.5399820214974%7.2Harden
Contest Construction0.0019025621182%4.7Mediumen
Ketek Counting0.061001564071%7.4Harden
Mountainous Palindromic Subarray0.0211731127588%3.8Mediumen
Permutation CFG0.252906311652%8.0Harden
Special Cycle0.002440611016%9.4Harden
The King's Guards0.022541231043%8.5Harden
The Paladin0.0038517014786%4.7Mediumen
Token Game0.201083554073%7.3Harden
TraveLog0.16108914411177%6.8Harden
You be The Judge, Again0.0240130026889%3.5Mediumen