/r/DailyProgrammer Challenge #138 in C++

// DailyProgrammerChallenge138InCPP.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>

using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
    // Variable declaration
    float mass1;
    float mass2;
    float x1;
    float x2;
    float y1;
    float y2;
    float deltaX;
    float deltaY;
    float distance;
    float force;

    // Variable input for particle 1
    cout << "Mass of particle 1" << endl;
    cin >> mass1;
    cout << "X-position of particle 1" << endl;
    cin >> x1;
    cout << "Y-position of particle 1" << endl;
    cin >> y1;

    // Variable input for particle 2
    cout << "Mass of particle 2" << endl;
    cin >> mass2;
    cout << "X-position of particle 2" << endl;
    cin >> x2;
    cout << "Y-position of particle 2" << endl;
    cin >> y2;

    // Calculations
    deltaX = (x1 - x2);
    deltaY = (y1 - y2);
    distance = sqrt((deltaX * deltaX) + (deltaY * deltaY));
    force = ((mass1 * mass2) / (distance * distance));

    cout << "The repulsion force between the two particles is " << force << endl;

    return 0;
}