Problems from 2020 ICPC North American Qualifier Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Drawing Circles0.1813621449264%8.6Harden
Perfect Path Patrol0.0416221717782%5.9Harden
Sky's the Limit0.016871806737%8.7Harden
Using Digits0.0057949639780%4.3Mediumen