Problems from Google Code Jam Practice Problems

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Alien Numbers 2545 1343 53% 0.00 1315 1201 91% 2.0
Shopping Plan 65 19 29% 0.00 22 14 64% 7.0
Square Fields (Easy) 205 96 47% 0.00 84 73 87% 4.2
Square Fields (Hard) 447 129 29% 0.00 113 79 70% 7.7