poj 1005 I Think I Need a Hou...

#include<stdio.h>#include<math.h>int main(){int i,n;float pi,x,y,years;scanf("%d", &n);pi = acos(-1);for(i=1; i<=n; i++){scanf("%f%f",&x,&y);    years = pi*(x*x + y*y)/100;    printf("Property %d: This property will begin eroding in year %d.n",i,(int)years+1);}printf("END OF OUTPUT.n");    return 0;}