Problems from Waterloo Programming Contest 2001-06-02

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Ones 2536 699 28% 0.00 652 498 76% 4.3
Sumsets 1852 427 23% 0.27 153 97 63% 8.1
Zipf's Law 966 241 25% 0.01 183 132 72% 5.8