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

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Bob0.04790724765%5.9Harden
Norma0.102008421740%7.2Harden
Studentsko0.0115824221087%3.6Mediumen
Šuma0.161554895865%6.9Harden