Problems from 2020 ICPC North America Regionals (March 6 2021)

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Ant Typing0.0127044225858%6.0Harden
Bad Packing0.0028733215747%7.5Harden
Basic Basis0.00760714868%7.2Harden
Bitonic Ordering0.0440719712061%6.8Harden
Condorcet0.00708532445%8.5Harden
Derangement Rotations0.00102604778%6.5Harden
Dominating Duos0.037634520760%6.0Harden
Exam Manipulation0.0011968150274%3.7Mediumen
Exciting Tournament0.002153554073%7.2Harden
Kth Subtree0.0667015110972%6.0Harden
Longest Common Subsequence0.0029345935176%4.0Mediumen
Magic Trick0.00145180494495%1.4Easyen
Missing Number0.0058102978476%3.8Mediumen
No Thanks!0.00661846170292%1.7Easyen
Painted Corridors0.011330724360%8.0Harden
Rainbow Numbers0.0026119112163%6.5Harden
Rating Problems0.00516638639096%1.3Easyen
Smoothie Stand0.008958952789%2.3Easyen
Triangular Collection0.008727120475%5.5Harden
TripTik0.801738845869%8.0Harden
Unread Messages0.005869449371%4.5Mediumen