Problems from KTH Challenge 2011

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Base-2 Palindromes0.0084243497340%4.0Mediumen
Coast Length0.01511238410937%2.6Easyen
Getting Rid of Coins0.00332133725419%7.6Harden
Icons in the Toolbar0.022262619135%7.8Harden
Kindergarten Excursion0.00634353139432%3.4Mediumen
Paintball0.005994852175036%3.1Mediumen
Reversed Binary Numbers0.005265101574259%1.3Easyen