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  1.     #include<iostream>
  2.     #include<cmath>
  3.  
  4.     using namespace std;
  5.  
  6.     int main()
  7.     {
  8.        int n, status = 1, num = 3, count, c;
  9.  
  10.        cout << "Enter the number of prime numbers to print\n";
  11.        cin >> n;
  12.  
  13.        if ( n >= 1 )
  14.        {
  15.           cout << "First " << n <<" prime numbers are :-" << endl;
  16.           cout << 2 << endl;
  17.        }
  18.  
  19.        for ( count = 2 ; count <=n ;  )
  20.        {
  21.           for ( c = 2 ; c <= (int)sqrt(num) ; c++ )
  22.           {
  23.              if ( num%c == 0 )
  24.              {
  25.                 status = 0;
  26.                 break;
  27.              }
  28.           }
  29.           if ( status != 0 )
  30.           {
  31.              cout << num << endl;
  32.              count++;
  33.           }
  34.           status = 1;
  35.           num++;
  36.        }        
  37.  
  38.        return 0;
  39.     }
Success #stdin #stdout 0s 15240KB
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stdin
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Standard input is empty
stdout
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Enter the number of prime numbers to print
https://ideone.com/M2dMRZ
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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