hdu 1065 I Think&…

#include"iostream"

#include"stdio.h"

#include"algorithm"

#include"math.h"

#define PI 3.1415926  //shit!!PI必须取3.1415926 

using namespace std;

int main()

{

int num,count=1;

double a,b,c;

int year;

scanf("%d",&num);

while(num--)

{

scanf("%lf%lf",&a,&b);

c=(a*a+b*b)*PI/100.0;

year=ceil(c);

printf("Property %d: This property will begin eroding in year%d.\n",count++,year);

}

printf("END OF OUTPUT.\n");

   getchar();getchar();

    return 0;

}