// primez.cpp : Defines the entry point for the console application.
//

//#include "stdafx.h"
#include <iostream>
//#include <fstream>
#include <cmath>
#include <time.h>
#include <stdio.h>
using namespace std;

class Primez {
public:
	int start;
	int finish;
	clock_t time;
	double timetaken;
	int counter;
	//ofstream myfile;

	Primez(int start_arg, int finish_arg) {
		start = start_arg;
		finish = finish_arg;
		time = clock();
		counter = 0;
		//myfile.open("primez.csv");

		for (int i = start; i <= finish; i++) {
			bool isaprime = isprime(i);
			if (isaprime == true) {
				//myfile << i;
				//myfile << "\n";
				printf("%d is a prime number\n",i);
				counter++;
			}
		}
		//myfile.close();
		time = clock() - time;
		timetaken = ((double)time) / CLOCKS_PER_SEC; //In seconds
		printf(" There is %d Prime numbers between %d and %d\nThe process took %f seconds\n", counter, start, finish, timetaken);
	}

	bool isprime(int num) {
		bool isaprime = true;
		for (int i = 2; i < sqrt(num) + 1; i++) {
			if (num % i == 0) {
				isaprime = false;
				break;
			}
			else if (num == 0) {
				isaprime = false;
				break;
			}
		}
		return isaprime;
	}
};

int main() {
	Primez a = Primez(1, 10000000);
	return 0;
}