Problems from KTH Challenge 2011

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Base-2 Palindromes0.0084239895840%4.1Mediumen
Coast Length0.01511024400336%2.9Mediumen
Getting Rid of Coins0.00332131725119%7.7Harden
Icons in the Toolbar0.022262398937%7.8Harden
Kindergarten Excursion0.00634317137732%3.6Mediumen
Paintball0.005994780173236%3.1Mediumen
Reversed Binary Numbers0.005262291558659%1.4Easyen