Problems from Hong Kong Regional Contest 2016

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Colourful Graph0.0119002945519%6.3Harden
Doors0.0174962312921%6.0Harden
Peak Tower0.0126743983810%8.2Harden
Peak Tram0.0811233036020%6.2Harden
Perfect k-ary Tree0.2211771973819%8.2Harden
Playing with Numbers0.0269941214836%4.8Mediumen
Scaffolding0.01877491224%5.6Harden
Slim Cut0.0811831574227%6.9Harden
Special Tour0.0011281752011%6.6Harden
Taboo0.01121660010117%6.7Harden
Team Up0.09108352610019%5.7Harden