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

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
ABC0.0032167491479788%1.8Easyen
Kolone0.0010969858684%3.1Mediumen
R20.0019399323827496%1.6Easyen
Sjecista0.00111556145994%1.8Easyen
Stol0.0122117914581%4.9Mediumen
Straza0.001651412356%7.2Harden