Problems from HiQ Challenge 2018

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Costume Contest0.00561475135292%2.1Easyen
Halloween Loot0.002411289473%6.1Harden
IsItHalloween.com0.0029128991235996%1.3Easyen
Ministry of Magic0.0648918113876%6.2Harden
Wizard Dance0.06826915459%7.1Harden