C++ Program to display Fibonacci Series up to n terms.

Statement : 
C++ Program to display Fibonacci Series up to n terms.
Code:

// C++ Program to display Fibonacci Series up to n terms.

#include<iostream>

using namespace std;

int main()

{

       cout << "\t\t\tFibonacci Series\n\n";

       int n, i, f, s, nx, temp; //f use for first numebr s for second number and nx for next number

       f = 0; s = 1; temp = 0;

       cout << "Enter The Number Of Terms Upto You Want Fibonacci Series : ";

       cin >> n;

       cout << "First " << n << " Terms Of Fibonacci Series Are : " << endl;

       for (i = 1; i <= n; i++)

       {

              if (i <= 1) //if numebr already 1 or less then 1

                     nx = i;

              else //if numebr greater then 1

              {

                     nx = f + s; //next number will be addition of first and sexond number              *

                     f = s; // first number will equal to second number                                 * **By Definitation Of Fibanocci Series**

                     s = nx; //second number will be equal to sum of first and second number            *

              }

              cout << nx << ", "; //print the second number and space of comma

              temp++;

              if (temp % 18 == 0) // to proper output new line will start after 18 terms will print

              {

                     cout << endl;

              } // end of format if

       } //end of for loop

       cout << "\n\n";

       system("pause");

       return 0;

}