Problems from Central Europe Regional Contest (CERC) 2012

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Chemist's vows0.0043340135689%3.1Mediumen
Conservation0.1130273961783%4.8Mediumen
Darts0.029399588889%2.2Easyen
Graphic Madness0.011807271556%8.1Harden
Jewel Heist0.721489785368%6.6Harden
Kingdoms0.297121005858%6.7Harden
Non-boring sequences0.0758522914563%6.4Harden
The Dragon and the Knights0.17739665685%5.3Mediumen
Who Wants to Live Forever?0.01321813543%8.4Harden
Word Equations0.051000864856%7.3Harden