Problems from Waterloo Programming Contest 2003-09-20

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Basic Remains 1123 514 46% 0.01 449 404 90% 3.2
Combination Lock 2805 1202 43% 0.00 1157 1008 87% 2.5
Genealogical Research 889 155 17% 0.00 155 126 81% 3.6
Russian Dolls 1331 39 3% 0.00 77 30 39% 7.9
Treasure Map 235 93 40% 0.01 76 63 83% 5.3