Problems from KTH Challenge 2011

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Base-2 Palindromes0.0084247197740%4.2Mediumen
Coast Length0.01511248411537%2.6Easyen
Getting Rid of Coins0.00332137825719%7.6Harden
Icons in the Toolbar0.022262919232%7.6Harden
Kindergarten Excursion0.00634372139532%3.4Mediumen
Paintball0.005994896177836%3.1Mediumen
Reversed Binary Numbers0.005266711583159%1.3Easyen