1005:I Think I Need a Houseboat

#include <iostream>
#include <cmath>
using namespace std;
#define PI 3.1415926535
int main(){
    int n=0;
    double x=0,y=0;
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>x>>y;
        cout<<"Property "<<i+1<<": This property will begin eroding in year "
        << (int)ceil(PI*(x*x+y*y)/100.0) <<"."<<endl;
    }
    cout << "END OF OUTPUT." << endl;
    return 0;    
}