Problems from Central Europe Regional Contest (CERC) 2012

Name Fastest Shortest Total Acc. Ratio Difficulty Languages
Chemist's vows 0.00 483 1319 407 31% 3.3Medium en
Conservation 0.16 665 2188 674 31% 4.8Medium en
Darts 0.03 93 2056 1013 49% 2.5Easy en
Graphic Madness 0.01 1807 74 13 18% 7.6Hard en
Jewel Heist 0.84 1561 158 46 29% 8.0Hard en
Kingdoms 0.29 712 330 74 22% 7.5Hard en
Non-boring sequences 0.07 790 764 230 30% 6.5Hard en
The Dragon and the Knights 0.17 739 217 56 26% 4.2Medium en
Who Wants to Live Forever? 0.01 400 382 31 8% 8.6Hard en
Word Equations 0.05 1218 384 63 16% 7.7Hard en