Problems from KTH Challenge 2011

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Base-2 Palindromes0.0084242196640%4.1Mediumen
Coast Length0.01511204410237%2.7Easyen
Getting Rid of Coins0.00332133325319%7.7Harden
Icons in the Toolbar0.022262529036%7.8Harden
Kindergarten Excursion0.00634344138732%3.5Mediumen
Paintball0.005994810174236%3.1Mediumen
Reversed Binary Numbers0.005264261570959%1.3Easyen