Problems from Croatian Open Competition in Informatics 2006/2007, contest #2

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
ABC0.0032164141449488%1.7Easyen
Kolone0.0010969258184%3.2Mediumen
R20.0019393603775596%1.3Easyen
Sjecista0.00111544144994%1.8Easyen
Stol0.0122116012679%5.3Mediumen
Straza0.001651412356%7.0Harden