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

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Ant Typing0.0127045426859%5.9Harden
Bad Packing0.0028735617248%7.3Harden
Basic Basis0.00760704767%7.3Harden
Bitonic Ordering0.0440721213162%6.8Harden
Condorcet0.00708572747%8.2Harden
Derangement Rotations0.00102635079%6.4Harden
Dominating Duos0.037635621861%5.9Harden
Exam Manipulation0.0011972353975%3.6Mediumen
Exciting Tournament0.002153584374%7.0Harden
Kth Subtree0.0667016111773%5.8Harden
Longest Common Subsequence0.0029348937978%4.1Mediumen
Magic Trick0.00145267502695%1.4Easyen
Missing Number0.0058104980477%3.6Mediumen
No Thanks!0.00662009185392%1.7Easyen
Painted Corridors0.011330754560%8.3Harden
Rainbow Numbers0.0026119812865%6.4Harden
Rating Problems0.00516846659396%1.3Easyen
Smoothie Stand0.008962455689%2.3Easyen
Triangular Collection0.008728021276%5.4Mediumen
TripTik0.441738916369%7.6Harden
Unread Messages0.005870450271%4.4Mediumen