Problems from Southwestern Europe Regional Contest (SWERC) 2009

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Darts 74 27 36% 0.00 50 24 48% 7.6
Genetics 27 8 30% 0.00 13 8 62% 7.3
Happy Telephones 952 422 44% 0.02 291 261 90% 2.6
Haunted Graveyard 911 69 8% 0.06 152 46 30% 8.6
Lights 31 14 45% 0.00 17 13 76% 5.8
Routing 12 8 67% 0.02 9 8 89% 5.7
Slalom 135 43 32% 0.03 38 25 66% 7.2
Stammering Aliens 401 114 28% 0.15 101 79 78% 5.8
Trick or Treat 772 216 28% 0.07 130 111 85% 4.2
Working at the Restaurant 1246 379 30% 0.01 342 270 79% 4.7