Problems from Southwestern Europe Regional Contest (SWERC) 2012

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Beehives 498 213 43% 0.01 188 153 81% 5.0
Bits Equalizer 1503 529 35% 0.00 505 443 88% 3.9
Countdown 264 61 23% 0.06 45 38 84% 4.7
How do Spiders Walk on Water? 164 26 16% 0.01 30 21 70% 7.8
LCM Pair Sum 157 56 36% 0.00 71 54 76% 5.2
Old School Days 68 3 4% 0.07 16 3 19% 9.2
RNA Secondary Structure 116 20 17% 0.21 20 13 65% 7.3
Sentry Robots 314 144 46% 0.00 90 81 90% 4.9
Shares 325 114 35% 0.00 25 20 80% 7.5