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| #include <iostream>
#include <math.h>
#include <conio.h>
using namespace std;
struct point {
double x,y;
};
double distance(point const &X,point const &Y)
{
double r;
r=sqrt((X.x-Y.x)*(X.x-Y.x)+(X.y-Y.y)*(X.y-Y.y));
return r ;
}
main()
{
point a,b;
double r;
cout<<"saisir x de A"<<"\n"<<"saisir y de a"<<endl;
cin>>a.x>>a.y;
cout<<"saisir x de b"<<"\n"<<"saisir y de b"<<endl;
cin>>b.x>>b.y;
cout<<r<<endl;
r=distance(&a,&b);
cout<<"la distance entre a et b est"<<r<<endl;
getch();
} |
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