Problems from Southwestern Europe Regional Contest (SWERC) 2012

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Beehives0.0153328222178%5.0Mediumen
Bits Equalizer0.001401256103582%4.1Mediumen
Countdown0.041332756181%4.6Mediumen
How do Spiders Walk on Water?0.01758463065%6.0Harden
LCM Pair Sum0.001331169078%4.9Mediumen
Old School Days0.04148245920%8.9Harden
RNA Secondary Structure0.071428311858%7.2Harden
Sentry Robots0.00134322820791%3.4Mediumen
Shares0.00914473166%6.2Harden