Problems from Croatian Regional Competition in Informatics 2007

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Bard 1380 644 47% 0.00 570 500 88% 2.5
Circle 18 10 56% 0.00 10 9 90% 4.9
Firefly 946 429 45% 0.01 288 229 80% 4.4
Tetris 572 295 52% 0.00 249 238 96% 1.8