Problems from Croatian Open Competition in Informatics 2007/2008, contest #3

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Cetiri0.00593436318093%1.8Easyen
Cudak0.0050231923674%5.4Mediumen
Dejavu0.0011052746288%2.7Easyen
Oktalni0.00201689157893%1.7Easyen
Redoks0.231083442761%8.0Harden
Tajna0.00911269117192%2.0Easyen