distanta dintre 2 puncte

#include <iostream>
#include <math.h>
using namespace std;
struct punct
{
    int x,y;
}A,B;
punct *pa, *pb;
int main()
{
    float d;
    pa=&A, pb=&B;
    /*cout<<"Introduceti coordonatele primului punct: ";
    cin>>A.x>>A.y;
    cout<<"Introduceti coordonatele celui de-al doilea punct: ";
    cin>>B.x>>B.y;
    d=sqrt((A.x-B.x)*(A.x-B.x)+(A.y-B.y)*(A.y-B.y));
    cout<<"Distanta dintre cele 2 puncte este: "<<d;*/
    cout<<"Introduceti coordonatele primului punct: ";
    cin>>pa->x>>pa->y;
    cout<<"Introduceti coordonatele celui de-al doilea punct: ";
    cin>>pb->x>>pb->y;
    d=(pow((pa->x)-(pb->x), 2)+pow((pa->y)-(pb->y), 2));
    cout<<"Distanta dintre cele 2 puncte este: "<<d;
    return 0;
}