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

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Cetiri0.00593339309293%1.8Easyen
Cudak0.0050229921572%6.3Harden
Dejavu0.0011050744187%2.9Mediumen
Oktalni0.00201639153193%1.7Easyen
Redoks0.231083392667%7.2Harden
Tajna0.00911241114592%2.0Easyen