Problems from KTH Challenge 2011

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Base-2 Palindromes0.0085213486040%4.3Mediumen
Coast Length0.01510289370736%3.0Mediumen
Getting Rid of Coins0.00332126824719%7.7Harden
Icons in the Toolbar0.022261918545%8.0Harden
Kindergarten Excursion0.00633795121832%3.6Mediumen
Paintball0.005994246153536%3.3Mediumen
Reversed Binary Numbers0.005238011430660%1.4Easyen