Problems from Croatian Open Competition in Informatics 2010/2011, contest #4

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Astro0.0035638131382%4.1Mediumen
Avion0.00405261502295%1.4Easyen
Dugovi0.02795845768%6.4Harden
Hrpa0.0064665380%4.4Mediumen
Parket0.007155450792%2.1Easyen
Prosjek0.00761189177%5.1Mediumen