Problems from KTH Challenge 2011

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Base-2 Palindromes0.0085208883840%4.5Mediumen
Coast Length0.0125710131363336%3.1Mediumen
Getting Rid of Coins0.00525125524219%7.8Harden
Icons in the Toolbar0.022261908645%8.0Harden
Kindergarten Excursion0.00633764121132%3.5Mediumen
Paintball0.005993967142836%3.4Mediumen
Reversed Binary Numbers0.005234191410760%1.4Easyen