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Re:无奈了，怎么都是错的，各位帮忙看一下

Posted by bleedingcrystal at 2006-09-17 15:37:09 on Problem 1005
In Reply To:无奈了，怎么都是错的，各位帮忙看一下 Posted by:zhdk007 at 2006-05-28 19:51:02

> #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;
> }

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强 (4) 2923270 2006-09-27 21:03:50

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