Problems from 2021 ICPC North America Division Championships

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Alien Microwave0.0031717111567%6.9Harden
Another Substring Query Problem0.10119235517148%8.0Harden
Borders0.00149624216568%6.2Harden
Circle of Friends0.13933815872%7.0Harden
Finding Polly0.483029402562%8.1Harden
Investigating Imposters0.0035830621470%5.9Harden
Laptop Sticker0.00284115391595%1.4Easyen
Longest Common Substring0.009765451479%4.0Mediumen
Simple Cron Spec0.0037347743792%2.1Easyen
Surveillance0.00957422764%7.4Harden
Train Line0.471466513059%8.5Harden
Window Shopping0.103342261350%8.7Harden
You Be the Judge!0.0018145932671%5.7Harden