#include <iostream>
#include <vector>
#include <math.h>

using namespace std;

int main()
{
	int N ;
	double X,Y;
	cin >> N ;
	if ( N == 0 )
		cout<<"END OF OUTPUT."<<endl;
	vector<int> yearVector;
	double pi = 3.14 ;
	double year;
	double perYear = 50.0 ; 
	for ( int i = 0 ; i < N ; i ++ )
	{
		cin >> X >> Y ;
		year = ( 0.5 * pi * ( X * X + Y * Y ) ) / perYear ;
		yearVector.push_back( ceil ( year ) );
	}
	for ( int i = 0 ; i < N ; i ++ )
		cout<<"Property "<<i<<": This property will begin eroding in year "<<yearVector[i]<<"."<<endl;
	
	return 0;
}

• Re:请各位看看，为什么老是Wrong Answer呢？ (17) xmlparser 2011-07-24 12:55:00
• Re:请各位看看，为什么老是Wrong Answer呢？ (660) howe2000 2012-01-11 10:56:23
• Re:请各位看看，为什么老是Wrong Answer呢？ (641) wangibn 2012-07-04 10:58:54
• Re:请各位看看，为什么老是Wrong Answer呢？ (641) nigmat 2012-07-04 15:19:16