Problems from Google Code Jam 2008 Round 1B

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Crop Triangles (Easy) 487 256 53% 0.00 212 189 89% 3.2
Crop Triangles (Hard) 291 129 44% 0.01 115 103 90% 4.7
Number Sets 1122 442 39% 0.00 311 263 85% 4.4
Number Sets (Hard) 878 266 30% 0.06 220 157 71% 6.5