又是恶心人的水题

圆周率取3.1415926就啥事没有..

1 #include 
     
       2 #include 
      
        3 #include 
       
         4 using namespace std; 5 double a,b; 6 int n; 7 int main() 8 {     9     scanf("%d",&n);10     for(int k=1;k<=n;k++)11     {12         for(int i=1;i<=n;i++)13         {14             scanf("%lf%lf",&a,&b);15             int ans=(a*a+b*b)*(3.1415926)/100;            16             printf("Property %d: This property will begin eroding in year %d.\n",k++,ans+1);17         }18         puts("END OF OUTPUT.");19     }20 }