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 4873 1214 25% 0.04 998 576 58% 6.9
Cross 962 295 31% 0.00 283 228 81% 4.1
Kemija 6391 4079 64% 0.00 3951 3773 95% 1.5
Matrica 53 19 36% 0.01 26 18 69% 7.7
Najkraci 85 45 53% 0.34 34 30 88% 5.4
Pet 19021 11190 59% 0.00 10283 9869 96% 1.3