codechef COMM3 - "three way communications" solution

codechef COMM3 - "three way communications": http://www.codechef.com/problems/COMM3

codechef COMM3 - "three way communications" solution: http://ideone.com/lDQrrt

#include <iostream>

using namespace std;

int main() {

// your code goes here

int t, r, x1, x2, x3, y1, y2, y3, count;

cin>>t;

while(t--) {

cin>>r>>x1>>y1>>x2>>y2>>x3>>y3;

count=0;

if((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)<=r*r) count++;

if((x2-x3)*(x2-x3)+(y2-y3)*(y2-y3)<=r*r) count++;

if((x3-x1)*(x3-x1)+(y3-y1)*(y3-y1)<=r*r) count++;

if(count>1) cout<<"yes"<<endl;

else cout<<"no"<<endl;

}

return 0;

}