Problems from Waterloo Programming Contest 2003-09-20

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Basic Remains 444 200 45% 0.01 168 150 89% 3.4
Combination Lock 1562 656 42% 0.00 653 556 85% 2.6
Genealogical Research 509 93 18% 0.00 95 73 77% 3.3
Russian Dolls 1038 25 2% 0.00 47 19 40% 8.9
Treasure Map 107 41 38% 0.01 39 31 79% 5.2