Problems from Google Code Jam 2008 Round 1B

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Crop Triangles (Easy) 361 188 52% 0.00 141 128 91% 3.2
Crop Triangles (Hard) 237 100 42% 0.01 89 78 88% 5.2
Number Sets 995 388 39% 0.00 260 223 86% 4.2
Number Sets (Hard) 641 196 31% 0.06 160 109 68% 6.8