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急!为什么总是wrong anwser? 自己用例子测验是对的#include<stdio.h>
#include<math.h>
#include<string.h>
int main()
{
int n,i,j;
double s=0,r;
double a[1000][2];
const double pi=4.0*atan(1.0);
scanf("%d",&n);
for (i=0;i<n;i++)
for (j=0;j<2;j++)
scanf("%lf",&a[i][j]);
for (i=0;i<n;i++)
{
s=0;
for (j=1;;j++)
{
s+=50;
r=sqrt((s*2.0)/pi);
if (a[i][0]>=-r && a[i][0]<=r && a[i][1]<=r) {printf("Property %d: This property will begin eroding in year %d.\n",i+1,j);break;}
}
}
printf("END OF OUTPUT.、n");
return 0;
}
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