Screenshot :

Listing Coding :

//Ridho F N
#include <iostream.h>
#include <math.h>

void Panjang(int x_1, int x_2, int y_1, int y_2)
{
float hasil;
if(x_2==x_1)
{
hasil = abs (y_2 - y_1);
}
else if (y_2==y_1)
{
hasil= abs (x_2-x_1);
}
else
{
hasil=sqrt((x_2-x_1)*(x_2-x_1) + (y_2-y_1)*(y_2-y_1));
}
cout<<"hasil = "<<hasil;
}