Problems from Croatian Open Competition in Informatics 2008/2009, contest #4

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Datum0.00285849561696%1.6Easyen
Mjehuric0.00694166393594%1.7Easyen
Periodni0.001578221255%7.8Harden
Rot0.0034021218587%3.1Mediumen
Slikar0.011082635079%5.3Mediumen
Trezor0.00990302170%5.4Mediumen