Problems from Google Code Jam Practice Problems

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Alien Numbers0.001253282285387%1.9Easyen
Shopping Plan0.001120482756%8.0Harden
Square Fields (Easy)0.0077213811382%4.8Mediumen
Square Fields (Hard)0.0082419414474%6.3Harden