Problems from KTH Challenge 2011

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Base-2 Palindromes 899 343 38% 0.00 391 291 74% 4.6
Coast Length 5188 1880 36% 0.01 1317 1124 85% 3.1
Getting Rid of Coins 642 128 20% 0.00 132 82 62% 7.4
Icons in the Toolbar 79 36 46% 0.02 46 33 72% 6.7
Kindergarten Excursion 1306 458 35% 0.00 372 309 83% 4.3
Paintball 1167 425 36% 0.00 307 264 86% 4.3
Reversed Binary Numbers 10576 6631 63% 0.00 5761 5505 96% 1.5