Pagini recente » Cod sursa (job #2915431) | Cod sursa (job #2270249) | Cod sursa (job #1953614) | Cod sursa (job #1913621) | Cod sursa (job #1046043)
#include<stdio.h>
#include<math.h>
#define INF 50001
int n;
double x[INF],y[INF];
int main()
{
freopen("adapost2.in","r",stdin);
freopen("adapost2.out","w",stdout);
scanf("%d",&n);
for(int i=0;i<n;++i)scanf("%lf%lf",&x[i],&y[i]);
double prev=0,e=0;
double a=5000,b=5000,lr=0.1f;
int t=0;
do
{
prev=e;
e=0;
double preva=a,prevb=b;
for(int i=0;i<n;++i)
{
double sub=sqrt(pow(preva-x[i],2)+pow(prevb-y[i],2));
e+=sub;
a-=lr*(preva-x[i])/sub;
b-=lr*(prevb-y[i])/sub;
}
}while(fabs(e-prev)>0.0000001&&t<50);
printf("%lf %lf\n",a,b);
return 0;
}