Problems from Google Code Jam Practice Problems

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Alien Numbers0.001253294286587%1.9Easyen
Shopping Plan0.001120492857%7.8Harden
Square Fields (Easy)0.0077213911482%4.7Mediumen
Square Fields (Hard)0.0082419814875%6.2Harden