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Hunan Normal University
College of Information Science and Engineering
多连块拼图
Time Limit: 1000ms, Special Time Limit:2500ms, Memory Limit:32768KB
Total submit users: 65, Accepted users: 56
Problem 11187 : No special judgement
Problem description
  本次比赛所有题目,请下载(题目为 PDF格式)


Input
  

Output
  

Sample Input
4 3
.**.
****
.**.
....
**.
.**
...
3 3
***
*.*
***
*..
*..
**.
4 2
****
....
....
....
*.
*.
0 0
Sample Output
1
0
0
Problem Source
  The Seventh Hunan Collegiate Programming Contest 

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