Distance between two points using user defined functions

Distance between two points using user defined functions:

To calculate the distance between two points by using user defined function's code is given below:

Code:

// Find the Distance between points.

#include<iostream>

#include<cmath>

using namespace std;

double distance(double x1, double x2, double y1, double y2);

void main()

{

double x1, x2, y1, y2;

cout << "Enter X1: ";

cin >> x1;

cout << "Enter X2: ";

cin >> x2;

cout << "Enter Y1: ";

cin >> y1;

cout << "Enter Y2: ";

cin >> y2;

cout << endl;

cout << "Distance : " << distance(x1, x2, y1, y2);

cout << endl;

}

double distance(double x1, double x2, double y1, double y2)

{

double distance;

distance = sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));

return distance;

}

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