Problems from KTH Challenge 2011

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Base-2 Palindromes0.0084240796240%4.1Mediumen
Coast Length0.01511133406537%2.7Easyen
Getting Rid of Coins0.00332132225119%7.7Harden
Icons in the Toolbar0.022262448936%7.9Harden
Kindergarten Excursion0.00634323137832%3.6Mediumen
Paintball0.005994794173736%3.1Mediumen
Reversed Binary Numbers0.005262731561159%1.4Easyen