Problems from Spotify Code Quest 2012

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Collapse0.03405122348039%3.3Mediumen
Evenland0.0252296629%7.2Harden
Greedy Cows0.0012731832212%7.8Harden
Smooth Monkey0.001771184336%5.3Mediumen
Streaming Statistics0.0494059720234%7.3Harden
Three-State Memory0.006342114133%7.9Harden
Toy Railway0.038592629436%6.2Harden
Troll Hunt0.0056249227436%2.5Easyen