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  1. #include <fstream>
  2. using namespace std;
  3.  
  4. ifstream in("count.in");
  5. ofstream out("count.out");
  6.  
  7. int main()
  8. {
  9.     int n, k;
  10.  
  11.     in>>n;
  12.  
  13.     for (k=1; k<=n; k++)
  14.     {
  15.         if (k % 21 == 0)
  16.             out<<k<<" ";
  17.         else
  18.         {
  19.             if (k % 3 == 0)
  20.                 out<<k<<" "<<k<<" ";
  21.             else
  22.                 if (k % 7 != 0)
  23.                     out<<k<<" ";                
  24.         }
  25.     }
  26. }
Success #stdin #stdout 0s 3424KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/vo4oFM
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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