Problems from Hong Kong Regional Contest 2016

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Colourful Graph0.0119003235617%6.4Harden
Doors0.0158566013120%6.1Harden
Peak Tower0.012674425399%7.9Harden
Peak Tram0.0811233316018%6.3Harden
Perfect k-ary Tree0.2211772404619%7.7Harden
Playing with Numbers0.0269944014934%4.9Mediumen
Scaffolding0.01877781418%5.2Mediumen
Slim Cut0.0811831924624%6.8Harden
Special Tour0.0011282052010%7.4Harden
Taboo0.01121666710816%6.9Harden
Team Up0.09108355310118%5.9Harden