Problems from KTH Challenge 2011

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Base-2 Palindromes 1530 614 40% 0.00 644 504 78% 4.2
Coast Length 7428 2747 37% 0.01 1955 1665 85% 3.6
Getting Rid of Coins 978 182 19% 0.00 196 115 59% 7.8
Icons in the Toolbar 122 54 44% 0.02 62 45 73% 7.1
Kindergarten Excursion 2361 786 33% 0.00 637 533 84% 3.7
Paintball 1732 680 39% 0.00 492 417 85% 4.3
Reversed Binary Numbers 16853 10285 61% 0.00 8930 8498 95% 1.4