#include<stdio.h>
#include<math.h>
const double p=acos(-1);
int main()
{
	float x,y;
	int i,n;
	double area;
	int year;
	scanf("%d",&n);
	for(i=0;i<n;i++)
	{
		scanf("%f%f",&x,&y);
		area=sqrt(x*x+y*y);
		year=(int)(p*area*area/2)/50;
		year=year+1;
		printf("Property %d: This property will begin eroding in year %d.\n",i,year);
	}
	printf("END OF OUTPUT.\n");
	return 0;
}

• Re:无奈了，怎么都是错的，各位帮忙看一下 (438) bluelilium 2006-07-15 16:04:11
  • Re:无奈了，怎么都是错的，各位帮忙看一下 (97) bluelilium 2006-07-15 16:05:31
• Re:无奈了，怎么都是错的，各位帮忙看一下 (438) bleedingcrystal 2006-09-17 15:37:09
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