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morsw

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Oct 31st, 2014
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C++ 0.40 KB | None | 0 0
  1. #include <iostream>
  2.  
  3. using namespace std;
  4. int n;
  5. int x[100];
  6. char val[3];
  7. void afis()
  8. {
  9.     for(int i=1;i<=n;i++)
  10.         cout<<val[x[i]];
  11.     cout<<endl;
  12. }
  13. void back(int k)
  14. {
  15.     if(k==n)
  16.         afis();
  17.     else
  18.         for(x[k]=1;x[k]<=2;x[k]++)
  19.                 back(k+1);
  20. }
  21. int main()
  22. {
  23.     cin>>n;
  24.     val[1]='.';
  25.     val[2]='-';
  26.     x[1]=1;x[n]=1;
  27.     back(2);
  28.     return 0;
  29. }
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