Problems from KTH Challenge 2011

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Base-2 Palindromes 1142 447 39% 0.00 480 368 77% 4.4
Coast Length 5819 2126 37% 0.01 1515 1296 86% 3.0
Getting Rid of Coins 727 144 20% 0.00 157 93 59% 7.9
Icons in the Toolbar 95 42 44% 0.02 52 37 71% 7.6
Kindergarten Excursion 1593 553 35% 0.00 443 368 83% 4.4
Paintball 1349 519 38% 0.00 364 307 84% 4.4
Reversed Binary Numbers 13187 8049 61% 0.00 7045 6685 95% 1.5