Problems from Central Europe Regional Contest (CERC) 2013

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Bus0.0056620361555%1.8Easyen
Captain Obvious and the Rabbit-Man0.412511113834%6.5Harden
Chain & Co.0.221544911820%7.1Harden
Crane0.0258527212044%5.6Harden
Digraphs0.0010673697621%6.2Harden
Draughts0.0156469326638%3.5Mediumen
Escape0.3310014968116%8.4Harden
Magical GCD0.26128100929830%5.5Harden
Rubik's Rectangle0.211858982121%8.3Harden
Subway0.4218001311915%8.2Harden
What does the fox say?0.007011795526745%1.9Easyen