Problems from ICPC North America Championship 2021

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
AND Permutation0.0813420812058%6.9Harden
Apple Orchard1.214775271037%9.2Harden
Cleaning Robot0.5399823617875%7.0Harden
Contest Construction0.0019029424684%4.6Mediumen
Ketek Counting0.061001604372%7.6Harden
Mountainous Palindromic Subarray0.028535431589%3.6Mediumen
Permutation CFG0.192208361953%8.6Harden
Special Cycle0.002440681218%9.5Harden
The King's Guards0.022539281554%8.5Harden
The Paladin0.0038519316887%4.7Mediumen
Token Game0.201083594373%8.0Harden
TraveLog0.16108917513879%6.5Harden
You be The Judge, Again0.0240133029790%3.3Mediumen