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Farjana_akter

Untitled

Feb 8th, 2019
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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. int i,j,t;
  7. double r1,r2,h,p,r ,ans,v,v1,x,v2,pi=acos(-1);
  8. cin>>t;
  9. for(i=1;i<=t;i++)
  10. {
  11. cin>>r1>>r2>>h>>p;
  12. r=((p*(r1-r2))/h)+r2;
  13. x=(h*r2)/(r1-r2);
  14. v1=(1/3.0)*pi*(r2*r2)*x;
  15. v2=(1/3.0)*pi*(r*r)*(p+x);
  16. v=v2-v1;
  17. printf("Case %d: %.10lf\n",i,v);
  18. }
  19. return 0;
  20. }
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