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小菜鸟的AC纪念。。。如有不足恳请指正#include<stdio.h>
int main()
{
int n,i,j,b[20];
double a[20][2],r2,pi=3.1415;
scanf("%d",&n);
for(i=0;i<n;i++)
scanf("%lf%lf",&a[i][0],&a[i][1]);
for(i=0;i<n;i++)
{
r2=a[i][0]*a[i][0]+a[i][1]*a[i][1];
for(j=0;;j++)
if(j*50*2>pi*r2)
{
b[i]=j;break;
}
printf("Property %d: This property will begin eroding in year %d.\n",i+1,j);
}
printf("END OF OUTPUT.");
return 0;
}
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