Problems from Croatian Open Competition in Informatics 2009/2010, contest #4

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Autori0.006319003056596%1.2Easyen
Iks0.0029636933892%2.9Mediumen
Kaboom0.01192281761%7.0Harden
Ograda0.03958614574%6.7Harden
Palačinke0.051766181056%7.6Harden
Planina0.006148371433297%1.3Easyen