Problems from Waterloo Programming Contest 2001-06-02

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Ones 2602 727 28% 0.00 680 519 76% 4.5
Sumsets 2105 452 21% 0.27 176 112 64% 8.0
Zipf's Law 1069 272 25% 0.01 197 141 72% 5.8