Problems from Hong Kong Regional Contest 2016

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Colourful Graph0.011900784760%6.7Harden
Doors0.0158515810768%6.0Harden
Peak Tower0.012674401845%8.2Harden
Peak Tram0.081123714868%7.3Harden
Perfect k-ary Tree0.221177563359%7.2Harden
Playing with Numbers0.0169913410881%4.9Mediumen
Scaffolding0.01877271452%6.9Harden
Slim Cut0.081183433377%6.0Harden
Special Tour0.001128412254%7.7Harden
Taboo0.0112161127365%6.6Harden
Team Up0.0910831259072%5.8Harden