Problems from Waterloo Programming Contest 2003-09-20

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Basic Remains 524 235 45% 0.01 204 181 89% 3.5
Combination Lock 1784 763 43% 0.00 758 652 86% 2.5
Genealogical Research 539 98 18% 0.00 102 78 76% 3.4
Russian Dolls 1112 26 2% 0.00 55 20 36% 9.0
Treasure Map 113 43 38% 0.01 42 33 79% 5.5