Problems from Spotify Code Quest 2012

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Collapse0.03405129650039%3.3Mediumen
Evenland0.0253918823%8.8Harden
Greedy Cows0.0012732583012%8.0Harden
Smooth Monkey0.001771795933%5.1Mediumen
Streaming Statistics0.0494070322131%7.2Harden
Three-State Memory0.006350515731%7.9Harden
Toy Railway0.0376034910330%7.4Harden
Troll Hunt0.0056539238036%2.6Easyen