Problems from Central Europe Regional Contest (CERC) 2012

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Chemist's vows0.00433191053628%3.0Mediumen
Conservation0.11302318395830%4.7Mediumen
Darts0.02932485122549%2.0Easyen
Graphic Madness0.0118071502215%7.9Harden
Jewel Heist0.7214892696825%5.8Harden
Kingdoms0.297123828522%6.7Harden
Non-boring sequences0.0758595126828%6.5Harden
The Dragon and the Knights0.177393626518%5.5Harden
Who Wants to Live Forever?0.014005395210%8.4Harden
Word Equations0.05100057210819%7.7Harden