Round 3: Lost Password

157 correct small sets and 1 correct large sets. View problem statement or contest analysis.

Compact solutions

Solved in...

C++ (127 sets)
Java (13 sets)
Python (7 sets)
C (3 sets)
Pascal (3 sets)
C# (2 sets)
D (2 sets)
Ruby (1 set)

Submission Origin

Russia (35 contestants)
China (34 contestants)
Japan (13 contestants)
Poland (10 contestants)
Belarus (9 contestants)
Ukraine (8 contestants)
United States (7 contestants)
Thailand (4 contestants)
Iran (3 contestants)
Slovakia (3 contestants)
South Korea (3 contestants)
Taiwan (3 contestants)
Australia (2 contestants)
Bulgaria (2 contestants)
Czech Republic (2 contestants)
Hong Kong (2 contestants)
India (2 contestants)
Singapore (2 contestants)
Slovenia (2 contestants)
United Kingdom (2 contestants)
... (1 contestant)
Canada (1 contestant)
France (1 contestant)
Georgia (1 contestant)
Germany (1 contestant)
Kyrgyzstan (1 contestant)
South Africa (1 contestant)
Spain (1 contestant)
Switzerland (1 contestant)