Problems from North American Invitational Programming Contest (NAIPC) 2018

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Cut It Out! 160 69 43% 0.03 59 42 71% 6.1
Double Clique 375 98 26% 0.01 101 69 68% 6.2
Flashing Fluorescents 653 219 34% 0.00 155 123 79% 5.2
Missing Gnomes 2764 1004 36% 0.01 659 588 89% 2.6
Prefix Free Code 2083 475 23% 0.04 298 202 68% 6.8
Probe Droids 351 73 21% 0.00 88 46 52% 6.4
Rainbow Graph 101 48 48% 0.01 40 27 68% 4.2
Recovery 1140 342 30% 0.00 230 186 81% 5.3
Red Black Tree 819 340 42% 0.04 157 136 87% 4.7
Winter Festival 47 18 38% 0.07 25 16 64% 6.7
Zoning Houses 1120 347 31% 0.09 235 168 71% 6.3