Problems from Central Europe Regional Contest (CERC) 2013

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Bus 3538 1918 54% 0.00 1912 1766 92% 1.7
Captain Obvious and the Rabbit-Man 48 18 38% 0.53 20 16 80% 7.0
Chain & Co. 44 12 27% 0.84 15 11 73% 6.5
Crane 133 73 55% 0.02 46 43 93% 4.0
Digraphs 211 53 25% 0.00 60 46 77% 6.8
Draughts 178 84 47% 0.01 73 64 88% 4.6
Escape 342 48 14% 0.72 46 15 33% 8.4
Magical GCD 647 170 26% 0.26 146 109 75% 5.4
Rubik's Rectangle 43 10 23% 0.33 12 8 67% 7.8
Subway 73 12 16% 0.68 19 10 53% 8.5
What does the fox say? 7051 3076 44% 0.00 2777 2520 91% 2.0