Problems from HiQ Challenge 2018

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Costume Contest 827 437 53% 0.00 432 404 94% 1.8
Halloween Loot 230 62 27% 0.00 65 51 78% 6.6
IsItHalloween.com 4508 2619 58% 0.00 2544 2464 97% 1.3
Ministry of Magic 218 79 36% 0.07 68 55 81% 5.4
Wizard Dance 157 30 19% 0.15 27 21 78% 7.1