Problems from 2018 ICPC North American Qualifier Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Bingo Ties 2718 364 13% 0.00 672 266 40% 7.1
Das Blinkenlights 4303 1906 44% 0.00 1681 1561 93% 1.8
Ebony and Ivory 474 195 41% 0.00 209 171 82% 5.1
Froggie 2646 397 15% 0.00 480 284 59% 6.7
Fruit Slicer 1191 178 15% 0.00 165 106 64% 6.6
LCM Tree 117 19 16% 0.07 40 13 32% 9.0
Left and Right 2430 992 41% 0.01 935 736 79% 3.4
Longest Life 463 99 21% 0.03 121 71 59% 5.3
Monitoring Ski Paths 813 189 23% 0.05 187 117 63% 6.2
Peg Game for Two 272 208 76% 0.01 194 178 92% 2.9
Run-Length Encoding, Run! 3357 2029 60% 0.00 1858 1757 95% 1.6
Superdoku 709 158 22% 0.00 221 111 50% 6.6
Triangular Clouds 239 50 21% 0.12 70 27 39% 7.0