Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
AND Permutation0.081341809955%7.1Harden
Apple Orchard1.21477523939%8.5Harden
Cleaning Robot0.5399821115674%7.2Harden
Contest Construction0.0019025721282%4.7Mediumen
Ketek Counting0.061001564071%7.4Harden
Mountainous Palindromic Subarray0.0211731227588%3.8Mediumen
Permutation CFG0.192208331855%7.9Harden
Special Cycle0.002440611016%9.4Harden
The King's Guards0.022541231148%8.4Harden
The Paladin0.0038517114887%4.7Mediumen
Token Game0.201083544074%7.3Harden
TraveLog0.16108915111576%7.0Harden
You be The Judge, Again0.0240130227089%3.5Mediumen