//Finds the posetive factors of postetive integers
//Created by Gilad "Speaker For The Dead" Barlev
//Final programming edit on 18/1/02 (D/M/Y)
//Final internal documentation edit on 18/1/02 (D/M/Y)

#include <iostream>
#include <conio.h>
#include <cmath>
#include <fstream>
using namespace std;

//function prototypes
void findFactor(int, int);
void clrScr();

int main()
{//main program
	
	//intro
	cout << "Speaker For The Dead Presents..."  << endl << endl;
	getch ();
	
	
	//declare variables
	int num;
	float max;
	int factor = 0;
	
	//load file
	ifstream fin;
	ofstream fout;
	fin.open("factor finder.dat");
	if (fin.is_open() )
	{//cancel
		cout << "Erase old file? (Y/N)";
		char x;
		cin >> x;
		if (x != 'y' && x != 'Y')
			goto Credits;
	}//end cancel
	fin.close();
	

	//get number
	cout << "FACTOR FINDER 1.0" << endl << endl << "Enter your posetive integer=? ";
	cin >> num;
	fout.open("factor finder.dat");
	fout << "Factors of " << num << ": " << endl;
	fout.close();
	
	//calculate maximim
	max = sqrt(num);
	
	//get factors
	while (factor <= max)
	{//factor loop
		factor = factor + 1;
		findFactor(num, factor);
	}//end factor loop
	getch();

Credits:
	//credits
	clrScr();
	cout << endl << "This program was made by Speaker For The Dead for entertainment purposes only."  << endl << "For problems with this program or more information on Speaker For The Dead," << endl<< "Please send an email to the_sftd@yahoo.com" << endl;
	return 0;
}


/*****PROGRAM DEFINED FUNCTIONS*****/
void findFactor(int num, int factor)
{//factor finder
	int remainder = num % factor;
		
	if (remainder == 0)
	{//factor found
		ofstream fout;
		fout.open("factor finder.dat", ios::app);
		cout << factor << "/";
		cout << num / factor << " ";
		fout << factor << "/" << num / factor << " ";
		fout.close();
	}//end factor found
}//end factor finder

void clrScr()
{//clear screen
	int x;
	for (x = 0; x < 25; x++)
	{
		cout << endl;
	}
}//end clear screen
	

//This program was made by Speaker For The Dead for entertainment purposes only.
//For problems with this program or more information on Speaker For The Dead,
//Please send an email to the_sftd@yahoo.com