#include <iostream>
#include <cmath>
using namespace std;
double pi=3.1415926;
int main()
{
    int k,count=1;
    double s,x,y;
    cin>>k;
    while(k--)
    {
        cin>>x>>y;
        s=(pi/2)*(x*x+y*y);
        cout<<"Property "<<count++<<": This property will begin eroding in year "<<(int)(s/(double)50+1)<<"."<<endl;
    }
    cout<<"END OF OUTPUT."<<endl;
    return 0;
}

• 你这样一行输入一行输出都能行，好神奇 (436) zhepeng123 2016-10-31 19:12:11