Problems from Croatian Regional Competition in Informatics 2007

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Bard0.001231618142388%2.3Easyen
Circle0.00238715273%6.3Harden
Firefly0.001272813234984%2.4Easyen
Tetris0.0032186778591%2.2Easyen