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

int main()
{
	//Step 0: variables and other junk
	double x1; //double variables are used to hold decimal point numbers
	double y1;
	double x2;
	double y2;

	double distance;

	//Step 1: Ask user to enter first point (two numbers)
	cout << "Enter first point (two numbers): " << endl;

	//Step 1.5: get the point stred into two variables
	cin >> x1;
	cout << "Cool bro/bra, now enter the 2nd number..." << endl;
	cin >> y1;

	//Step 2: Ask user for 2nd point, get and store into 2 variables.
	cout << "Enter 2nd point (two numbers): " << endl;
	cin >> x2;
	cout << "Waiting for that 2nd number..." << endl;
	cin >> y2;


	//cout << pow(3, 4) << endl;  //would print out 81
	//Step 3: calculate distance between the two points
	distance = sqrt( pow( (x2-x1), 2 ) + pow((y2-y1),2)  );

	//Step 4: tell user the distance
	cout << "According to my calculations the distance between those two points is: " << distance << endl;

	return 0;
}