Problems from North American Invitational Programming Contest (NAIPC) 2018

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Cut It Out! 162 70 43% 0.03 59 43 73% 6.2
Double Clique 382 100 26% 0.01 104 71 68% 6.2
Flashing Fluorescents 661 223 34% 0.00 159 126 79% 5.1
Missing Gnomes 2901 1083 37% 0.01 713 640 90% 2.6
Prefix Free Code 2199 500 23% 0.04 317 219 69% 6.7
Probe Droids 372 74 20% 0.00 91 47 52% 6.9
Rainbow Graph 101 48 48% 0.01 40 27 68% 4.2
Recovery 1154 349 30% 0.00 236 192 81% 5.3
Red Black Tree 836 351 42% 0.04 163 142 87% 4.6
Winter Festival 47 18 38% 0.07 25 16 64% 6.7
Zoning Houses 1154 356 31% 0.09 245 175 71% 6.3