Problems from Croatian Open Competition in Informatics 2008/2009, contest #3

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Binary search tree 5490 1321 24% 0.04 1151 650 56% 7.2
Cross 1002 318 32% 0.00 312 251 80% 4.0
Kemija 7198 4603 64% 0.00 4469 4254 95% 1.6
Matrica 59 24 41% 0.01 29 22 76% 6.9
Najkraci 107 51 48% 0.34 40 33 82% 6.9
Pet 22093 13040 59% 0.00 12033 11553 96% 1.3