Problems from KTH Challenge 2011

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Base-2 Palindromes 942 364 39% 0.00 409 309 76% 4.4
Coast Length 5317 1926 36% 0.01 1354 1151 85% 3.3
Getting Rid of Coins 677 138 20% 0.00 143 88 62% 7.6
Icons in the Toolbar 83 37 45% 0.02 49 34 69% 7.8
Kindergarten Excursion 1385 491 35% 0.00 385 321 83% 4.2
Paintball 1208 449 37% 0.00 323 280 87% 4.2
Reversed Binary Numbers 10802 6794 63% 0.00 5901 5637 96% 1.5