#include <iostream.h>
#include <math.h>

#include <swap.h>
#include <array.h>
#include <vector.h>

int main() {

Vector v;
cout << "Enter a Vector...";
cin >> v;
cout << "v:\n" << v;
double len = length(v);
cout << "len(v) = " << len << '\n';
Vector w;
cout << "Enter a Vector...";
cin >> w;
cout << "w:\n" << w;
double vdotw = dot(v,w);
cout << "v.w = " << vdotw << '\n';
Vector vplusw(v+w);
cout << "v+w:\n" << vplusw;
Vector vminusw = v - w;
cout << "v-w:\n" << vminusw;

return 0;
}