Problems from Central Europe Regional Contest (CERC) 2013

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Bus0.0063633338593%1.7Easyen
Captain Obvious and the Rabbit-Man0.41251372773%6.3Harden
Chain & Co.0.221544271763%6.9Harden
Crane0.025851038381%5.7Harden
Digraphs0.001067936974%5.9Harden
Draughts0.0156426623086%3.4Mediumen
Escape0.331001793139%8.3Harden
Magical GCD0.2612826319474%5.3Mediumen
Rubik's Rectangle0.211858221255%8.2Harden
Subway0.421800351851%7.8Harden
What does the fox say?0.00705089458990%1.8Easyen