Problems from North American Invitational Programming Contest (NAIPC) 2017

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Apple Market 518 116 22% 0.07 136 70 51% 8.8
Blazing New Trails 1514 233 15% 0.18 202 113 56% 7.4
Heaps from Trees 447 144 32% 0.15 187 121 65% 7.1
Incremental Double Free Strings 49 21 43% 0.01 22 16 73% 5.6
Maximum Color Clique 117 41 35% 0.04 42 31 74% 6.1
Pieces of Parentheses 1553 318 20% 0.01 364 249 68% 7.1
Ski Resort 117 11 9% 0.25 14 9 64% 6.2
Stars in a Can 363 119 33% 0.09 99 68 69% 6.5
Stretching Streamers 390 170 44% 0.03 181 142 78% 5.1
Unbalanced Parentheses 41 20 49% 0.02 17 11 65% 8.0
Yin and Yang Stones 3600 2289 64% 0.00 2090 1960 94% 1.7