Problems from Google Code Jam Practice Problems

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Alien Numbers 3086 1649 53% 0.00 1614 1482 92% 1.8
Shopping Plan 92 28 30% 0.00 30 21 70% 6.5
Square Fields (Easy) 240 111 46% 0.00 97 84 87% 4.6
Square Fields (Hard) 493 154 31% 0.00 130 94 72% 7.0