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#include<iostream>
#include<cstdio>
#include<cmath>
#include<climits>

using namespace std;

int xc[110],yc[110],r[110];
double a[110][110];

double min(double x,double y)
{
if(x>y)return y;
return x;
}
double max(double x,double y)
{
if(x>y)return x;
return y;
}
double distance(int x1,int y1 ...