#include<iostream> |
#include<math.h> |
#define PI 3.1415926//oj上的数据不太好,只有PI = 3.1415926时才能过。 |
using namespace std; |
int main(){ |
int m; |
double x, y; |
cin>>m; |
for ( int i = 0; i < m; i++){ |
cin>>x>>y; |
double s = PI * (x * x + y * y); |
int count = s / 100 + 1; |
cout<< "Property " <<i + 1<< |
": This property will begin eroding in year " <<count<< "." <<endl; |
} |
cout<< "END OF OUTPUT." <<endl; |
} |