Problems from Central Europe Regional Contest (CERC) 2014

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Bricks0.0759121516476%5.7Harden
Can't Stop Playing0.026411268668%7.2Harden
Good Morning!0.001272188189787%2.6Easyen
Mountainous Landscape0.41964361850%8.5Harden
Outer Space Invaders0.079931126962%6.9Harden
Parades0.051602522956%7.5Harden
Pork Barrel0.941660332267%7.2Harden
Sums0.00127111189280%3.1Mediumen
The Imp0.09339854856%8.7Harden
Virus Synthesis0.071290411332%8.6Harden
Vocabulary0.081559422969%6.7Harden
Wheels0.0152825822085%3.3Mediumen