Problems from Southwestern Europe Regional Contest (SWERC) 2012

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Beehives0.0153381730137%5.1Mediumen
Bits Equalizer0.002454288114027%4.3Mediumen
Countdown0.0613323878923%4.2Mediumen
How do Spiders Walk on Water?0.018432323816%6.5Harden
LCM Pair Sum0.0013332110432%4.8Mediumen
Old School Days0.0414822375824%9.0Harden
RNA Secondary Structure0.0714281552516%6.3Harden
Sentry Robots0.00134355122942%3.7Mediumen
Shares0.0091440312732%7.5Harden