Problems from Google Code Jam Practice Problems

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Alien Numbers 3266 1762 54% 0.00 1734 1591 92% 1.9
Shopping Plan 97 28 29% 0.00 32 21 66% 6.9
Square Fields (Easy) 251 114 45% 0.00 102 87 85% 5.0
Square Fields (Hard) 518 166 32% 0.00 135 97 72% 7.1