Problems from Southwestern Europe Regional Contest (SWERC) 2012

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Beehives0.0153380329737%5.2Mediumen
Bits Equalizer0.002454080111127%4.3Mediumen
Countdown0.0613323558424%3.8Mediumen
How do Spiders Walk on Water?0.018431983317%6.8Harden
LCM Pair Sum0.001332989632%5.3Mediumen
Old School Days0.0414822265826%9.0Harden
RNA Secondary Structure0.0714281432417%6.5Harden
Sentry Robots0.00134352622443%3.7Mediumen
Shares0.0091438612633%6.8Harden