Problems from 2021 ICPC North American Qualifier Contest (Jan 2022)

Name Fastest Total Acc. Ratio Difficulty
Alien Integers 0.00 1581 312 20% 5.7hard
Avoiding Asteroids 0.00 199 60 30% 8.1hard
Common Factors 0.00 840 292 35% 5.1medium
Dimensional Analysis 0.00 475 94 20% 7.7hard
Eye of Sauron 0.00 2773 1827 66% 1.3easy
ilove Strings 0.08 413 101 24% 7.9hard
MrCodeFormatGrader 0.00 913 545 60% 2.0easy
Mult! 0.00 1541 1018 66% 1.6easy
Pizza Party! 0.04 1184 251 21% 6.4hard
Stacking Up 0.00 438 178 41% 5.7hard
Stamp Combinations 0.07 1368 351 26% 5.2medium
Sword Counting 0.05 705 158 22% 8.1hard
Tic-Tac State 0.00 1062 484 46% 2.5easy
Venn Intervals 0.44 133 30 23% 7.9hard