Problems from Southwestern Europe Regional Contest (SWERC) 2012

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Beehives0.0171369427039%5.3Mediumen
Bits Equalizer0.00245310689729%4.2Mediumen
Countdown0.0613843037424%3.8Mediumen
How do Spiders Walk on Water?0.018431512315%8.4Harden
LCM Pair Sum0.001332569035%5.0Mediumen
Old School Days0.061539128129%9.6Harden
RNA Secondary Structure0.2114281162017%7.3Harden
Sentry Robots0.00134343718342%3.5Mediumen
Shares0.0091435611933%7.2Harden