Problems from HiQ Challenge 2018

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Costume Contest 1192 609 51% 0.00 597 547 92% 2.0
Halloween Loot 254 67 26% 0.00 69 55 80% 6.1
IsItHalloween.com 7598 4294 57% 0.00 4049 3914 97% 1.3
Ministry of Magic 285 97 34% 0.07 80 64 80% 6.0
Wizard Dance 161 33 20% 0.15 30 24 80% 6.1