Problems from HiQ Challenge 2018

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Costume Contest0.00561424130792%2.2Easyen
Halloween Loot0.002411289473%6.0Harden
IsItHalloween.com0.0029125911206596%1.3Easyen
Ministry of Magic0.0648916011974%6.5Harden
Wizard Dance0.06826915459%7.1Harden