Problems from Waterloo Programming Contest 2003-09-20

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Basic Remains 308 128 42% 0.02 116 103 89% 3.5
Combination Lock 1031 479 46% 0.00 481 404 84% 2.6
Genealogical Research 448 79 18% 0.00 77 60 78% 2.9
Russian Dolls 793 15 2% 0.01 22 12 55% 6.6
Treasure Map 105 39 37% 0.01 37 29 78% 5.2