Problems from HiQ Challenge 2018

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Costume Contest0.00561424130692%2.2Easyen
Halloween Loot0.002411289473%6.0Harden
IsItHalloween.com0.0029126741214496%1.3Easyen
Ministry of Magic0.0648916111974%6.5Harden
Wizard Dance0.06826905460%7.0Harden