Problems from HiQ Challenge 2018

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Costume Contest0.00561437131992%2.1Easyen
Halloween Loot0.002411289473%6.0Harden
IsItHalloween.com0.0029127341220496%1.3Easyen
Ministry of Magic0.0648916111974%6.5Harden
Wizard Dance0.06826915459%7.1Harden