Problems from KTH Challenge 2011

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Base-2 Palindromes 1792 730 41% 0.00 769 601 78% 4.5
Coast Length 7903 2923 37% 0.01 2108 1797 85% 3.7
Getting Rid of Coins 1030 196 19% 0.00 216 127 59% 7.8
Icons in the Toolbar 141 61 43% 0.02 68 51 75% 6.5
Kindergarten Excursion 2796 927 33% 0.00 760 637 84% 3.7
Paintball 2558 1000 39% 0.00 641 556 87% 3.5
Reversed Binary Numbers 19591 11957 61% 0.00 10467 9964 95% 1.4