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

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Bob0.047902035929%5.7Harden
Norma0.6920081382014%7.3Harden
Studentsko0.0115854623042%3.8Mediumen
Šuma0.1815544308319%6.3Harden