Problems from Croatian Open Competition in Informatics 2014/2015, contest #2

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Bob0.047902115928%5.7Harden
Norma0.1020081562516%7.3Harden
Studentsko0.0115856924343%3.7Mediumen
Šuma0.1815544588919%6.1Harden