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我怎么错啦?请各位兄弟姐妹帮我看看

Posted by slience at 2006-04-01 12:49:21 on Problem 1005
#include <stdio.h>
#include<math.h>
int main()
{
	int m,i;
    int n[10]={0};
	float x,y;
	double area;
	do
	scanf("%d",&m);
	while(m<=0);
	for(i=0;i<m;i++)
	{
		scanf("%f%f",&x,&y);
		if(y>=0)
		{
		area=3.14*x*x;
        area=area/100;
	    n[i]=(int)area;
	    if(area>n[i])
		n[i]=n[i]+1;
		printf("\n");
		}
	}
	for(i=0;i<m;i++)
		if(n[i]!=0)
		printf("Property %d: This property will begin eroding in year %d.\n",i+1,n[i]);
    printf("END OF OUTPUT.\n");
	return 0;
}

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