Problems from Spotify Code Quest 2012

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Collapse0.03405131250538%3.3Mediumen
Evenland0.0253988922%8.7Harden
Greedy Cows0.0012732853011%8.1Harden
Smooth Monkey0.001771846133%4.7Mediumen
Streaming Statistics0.0494070822231%6.9Harden
Three-State Memory0.006351315831%7.8Harden
Toy Railway0.0376036210328%7.5Harden
Troll Hunt0.0056548238736%2.5Easyen