Circle

Circle

//Unfinshed
#include <iostream>
#include <cstdio>
int n;
const int maxn = 7000;
bool check[maxn+1];
void init() {
	for(int i=0,i<=maxn;i++)check[i]=false;
	return ;
}
int x[maxn+1],y[maxn+1],r[maxn+1];
int judge();
int dfs(int i);
int main () {
	init();
	cin >> n;
	for(int i=1;i<=n;i++){
		cin >> x[i] >> y[i] >> r[i];
	}
	int a=0;
	for(int i=1;i<=n;i++){
		if (check[i]==false){
			dfs(i);
			a++;
		}
	}
	cout << i;
}
int dfs(int i){
	check[i]=true;
	for(int j=1;j<=n;j++){
		if((check[j]==false)&&(judge(i,j))){
			dfs(j);
		}
	}
}
int judge(int i,int j){
	int judge;
	judge=(((x[i]-x[j])*(x[i]-x[j])+(y[i]-y[j])*(y[i]-y[j]))<=((r[i]+r[j])*((r[i]+r[j]))));
	return judge;
}