Problems from Hong Kong Regional Contest 2016

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Colourful Graph0.0119003185618%6.4Harden
Doors0.0158565113120%6.1Harden
Peak Tower0.012674419389%8.4Harden
Peak Tram0.0811233266018%6.3Harden
Perfect k-ary Tree0.2211772344519%7.9Harden
Playing with Numbers0.0269943514934%4.9Mediumen
Scaffolding0.01877731419%5.2Mediumen
Slim Cut0.0811831874625%6.8Harden
Special Tour0.0011282002010%7.4Harden
Taboo0.01121666110816%6.9Harden
Team Up0.09108354810118%5.9Harden