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

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Bob0.04790755067%5.6Harden
Norma0.102008431842%7.4Harden
Studentsko0.0115825822587%3.4Mediumen
Šuma0.161554936065%6.9Harden