Problems from Hong Kong Regional Contest 2016

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Colourful Graph0.0119003165618%6.3Harden
Doors0.0158564913120%6.1Harden
Peak Tower0.012674415389%8.3Harden
Peak Tram0.0811233226019%6.3Harden
Perfect k-ary Tree0.2211772304520%7.8Harden
Playing with Numbers0.0269943214934%4.9Mediumen
Scaffolding0.01877691420%5.1Mediumen
Slim Cut0.0811831834625%6.7Harden
Special Tour0.0011281962010%7.3Harden
Taboo0.01121665710816%6.9Harden
Team Up0.09108354210119%5.7Harden