Problems from Google Code Jam Practice Problems

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Alien Numbers 2317 1187 51% 0.00 1166 1056 91% 2.1
Shopping Plan 58 16 28% 0.00 20 12 60% 7.6
Square Fields (Easy) 168 83 49% 0.00 72 63 88% 4.3
Square Fields (Hard) 381 112 29% 0.00 95 67 71% 8.1