Problems from Google Code Jam Practice Problems

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Alien Numbers0.001253190276487%1.9Easyen
Shopping Plan0.001120452760%7.1Harden
Square Fields (Easy)0.0077213410881%5.3Mediumen
Square Fields (Hard)0.0082417412773%6.7Harden