Problems from KTH Challenge 2011

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Base-2 Palindromes0.0085207883440%4.5Mediumen
Coast Length0.012579962356936%3.2Mediumen
Getting Rid of Coins0.00525124323519%7.8Harden
Icons in the Toolbar0.022261898545%8.0Harden
Kindergarten Excursion0.00633736120732%3.5Mediumen
Paintball0.005993917141936%3.4Mediumen
Reversed Binary Numbers0.005230101383760%1.5Easyen