Problems from Southwestern Europe Regional Contest (SWERC) 2012

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Beehives 482 207 43% 0.01 177 147 83% 4.6
Bits Equalizer 1280 459 36% 0.00 449 390 87% 4.1
Countdown 261 58 22% 0.06 43 36 84% 4.9
How do Spiders Walk on Water? 151 24 16% 0.01 29 20 69% 8.0
LCM Pair Sum 147 53 36% 0.00 66 51 77% 5.0
Old School Days 68 3 4% 0.07 16 3 19% 9.2
RNA Secondary Structure 116 20 17% 0.21 20 13 65% 7.2
Sentry Robots 144 73 51% 0.00 54 49 91% 4.6
Shares 325 114 35% 0.00 25 20 80% 7.5