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Answer to Question #48908 in C++ for Keerthana

Question #48908
Write a C++ program that takes the (x, y) coordinates of two points and outputs the distance between them using constructors.
Expert's answer
#include <iostream>
#include <cmath>
#include <cstdlib>
using namespace std;
class Point
{
public:
Point(): x(0), y(0) {}
Point(double i_x, double i_y): x(i_x), y(i_y) {}
double getx() {return x;}
double gety() {return y;}
private:
double x;
double y;
};
class Distance
{
public:
Distance(const Point& i_p1, const Point& i_p2): p1(i_p1), p2(i_p2) {}
double getvalue() 
{
double dx = p1.getx() - p2.getx();
double dy = p1.gety() - p2.gety();
return sqrt(dx * dx + dy * dy);
}
private:
Point p1;
Point p2;
};
int main(){
double x, y;
cout << "Enter coordinates of the first point, separated by space: ";
cin >> x >> y;
Point p1(x, y);
cout << "Enter coordinates of the second point, separated by space: ";
cin >> x >> y;
Point p2(x, y);
Distance d(p1, p2);
cout << "Distance between these two points is: " << d.getvalue() << endl;
system("pause");
return 0;
}


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Comments

Assignment Expert
18.11.14, 16:46

Dear Keerthana,

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Keerthana
17.11.14, 18:06

Thank you expert

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