Problems from HiQ Challenge 2018

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Costume Contest 644 350 54% 0.00 346 323 93% 1.9
Halloween Loot 223 59 26% 0.00 62 49 79% 6.2
IsItHalloween.com 3181 1933 61% 0.00 1851 1804 97% 1.3
Ministry of Magic 200 73 36% 0.07 65 52 80% 5.8
Wizard Dance 143 29 20% 0.15 26 20 77% 7.2