Problems from Waterloo Programming Contest 2001-06-02

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Ones 2965 819 28% 0.00 760 575 76% 4.6
Sumsets 2847 538 19% 0.27 218 132 61% 8.2
Zipf's Law 1172 295 25% 0.01 222 162 73% 5.7