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TopCoder

User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

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Description

A printable version(PDF) can be downloaded here.

Input Format

Output Format

Sample Input 1

4 3 5.0 
N C N C 
N B B 
4 3 5.0 
C B C C 
B C B 
0 0 0

Sample Output 1

Case 1: 14.377 

Case 2: impossible

Hints

Problem Source

Migrated from old NTUJ.

2004 ACM ICPC World Final

Subtasks

No.	Testdata Range	Score

Testdata and Limits

No.	Time Limit (ms)	Memory Limit (VSS, KiB)	Output Limit (KiB)	Subtasks
0	10000	65536	200

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