UVa 12578
( 10:6:2 )
Problem Link:
Solution:
#include<stdio.h>
#include<math.h>
#define PI acos(-1)
int main()
{
int n,i;
double cercular_area,ch,r,rectengular_area,length,wide;
scanf("%d",&n);
for(i=1; i<=n; i++)
{
scanf("%lf",&length);
wide=((6*length)/10);
r=((2*length)/10);
cercular_area=(PI*r*r);
ch=(length*wide);
rectengular_area=(ch-cercular_area);
printf("%.2lf %.2lf\n",cercular_area,rectengular_area);
}
return 0;
}
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