#include <iostream>
#include <cmath>
#include <iomanip>

using namespace std;

double dist_2D(double coord0[], double coord1[]);

// This assignment is worth 3 points
// -1 if nested loops were not used to bring values into array

int main()
{
	const int points = 2, dimensions = 2;
	double input[points][dimensions];

	for(int i = 0; i < points; i++)
	{
		cout << "Enter coordinate " << i+1 << ": ";
		for(int j = 0; j < dimensions; j++)
		{
			cin >> input[i][j];
		}
		cin.ignore();
	}

	cout << fixed << setprecision(2);
	cout << "Distance is " << dist_2D(input[0], input[1]) << endl;

	return 0;
}

// You can hard code this function for this lab only
double dist_2D(double coord0[], double coord1[])
{
	return sqrt(pow(coord1[0]-coord0[0], 2) + pow(coord1[1]-coord0[1], 2));
}