Distancias

#include <iostream>
#include <cmath>
using namespace std;

int main() {

	float xa,xb,ya,yb,d,q,w,e,r,t,m;
	cout << "CINTA METRICA VIRTUAL \n";
	cout << "::::::::::::::::::::: \n";
	cout << "Ingrese Punto 1 \n";
	cout << "X: ";
	cin >> xa;
	cout << "Y: ";
	cin >> ya;
	cout << "Ingrese Punto 2 \n";
	cout << "X: ";
	cin >> xb;
	cout << "Y: ";
	cin >> yb;
	q = xa-xb;
	w = ya-yb;
	e = pow(q,2);
	r = pow(w,2);
	t = e+r;
	d = sqrt (t);
	cout << "::::::::::::::::::::: \n";
	cout << "Distancia: " <<d <<endl;
	cout << "::::::::::::::::::::: \n";
	cout << "Presione 'm' para salir\n";
	cin >> m;
	return 0;
}