Golf

Zašto i kako TLE na poslednja 2 primjera:

// task:Golf
// Dragan Vidakovic 14.01.2012. u 23:07
     
# include <iostream>
# include <cmath>
# include <cstdio>
using namespace std;
     
double djx,djy,px,py,x,y,a,b;
long long n,i,sol;
bool jel=false;
     
int main ()
{
        // unosim koordinate Djure i palice
        scanf("%lf%lf",&djx,&djy);
        //cin>>djx>>djy
        scanf("%lf%lf",&py,&py);
        //cin>>px>>py;
        // unosim broj rupa
        scanf("%lld",&n);
        //cin>>n;
       
        for (i=0; i<n; i++)
        {
            cin>>x>>y; // unosim koordinate rupe
           
            a=sqrt( (px-x)*(px-x) + (py-y)*(py-y));
            b=sqrt( (djx-x)*(djx-x) + (djy - y)*(djy-y)); // palica 2x brza od Djure
           
           
            if ( (jel == false) && (  2*b<a  ))  
            {
                 jel=true;
                 printf("%lld",i+1);
                 break;
            }
        }
     
       
        if (!jel) printf("Nadrljao je!");
       
        //system("pause");
}