Problems from Central Europe Regional Contest (CERC) 2013

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Bus 4881 2755 56% 0.00 2707 2530 93% 1.5
Captain Obvious and the Rabbit-Man 54 21 39% 0.13 25 19 76% 6.6
Chain & Co. 58 19 33% 0.24 22 17 77% 6.9
Crane 171 96 56% 0.02 65 62 95% 4.1
Digraphs 274 75 27% 0.00 83 64 77% 7.0
Draughts 438 166 38% 0.01 141 123 87% 4.5
Escape 375 60 16% 0.72 61 27 44% 7.9
Magical GCD 843 242 29% 0.26 208 150 72% 6.2
Rubik's Rectangle 51 13 25% 0.33 16 11 69% 7.5
Subway 98 19 19% 0.58 27 17 63% 8.1
What does the fox say? 9535 4212 44% 0.00 3799 3433 90% 2.2