[Dev-C++] Stop system

[Scone S. <sc...@ho...>]

Hello,

I'm a beginning C++ programmer and I have made a program that
calculates all numbers smaller than 100 that contain a 2.
It seems to work, but I would like to be able to pause the output
when I have got e.g. 20 numbers, and when I press enter the program
should continue.

So far I have this:

#include <iostream>

int fPrintX(unsigned x)
{ cout << x << endl << x*x << endl;
  y++;
}

int main()
{
  unsigned x, y;
  y=0;
  cout << "This program will search all numbers smaller than 100 that" << 
endl;
  cout << "contain the number 2, and will also calculate the square." << 
endl;
  x=0;
  while (x<=100)
  { if (x%10==2)
    { fPrintX(x);
    }
    else if (x/10==2)
    { fPrintX(x);
    }
    if (y==20)
    {  //here I would like the program to pause
    }
    x++;
  }
  cin >> x;
  return 0;
}


Thanks!
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