Problems from HiQ Challenge 2018

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Costume Contest 1594 851 53% 0.00 834 772 93% 1.9
Halloween Loot 318 90 28% 0.00 92 72 78% 5.8
IsItHalloween.com 11336 6309 56% 0.00 5945 5726 96% 1.4
Ministry of Magic 366 116 32% 0.07 99 81 82% 5.7
Wizard Dance 246 47 19% 0.06 40 29 72% 8.5