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- #include<bits/stdc++.h>
- using namespace std;
- int main()
- {
- int t,i,j,k;
- double a,b,ans,x,y,s,ang,z,p,q,r;
- cin>>t;
- for(i=1;i<=t;i++)
- {
- scanf("%lf : %lf",&a,&b);
- r=sqrt((a*a)+(b*b))/2.0;
- ang=acos(((r*r)+(r*r)-(b*b))/(2.0*r*r));
- s=r*ang;
- ans=400.00/((2.0*s)+(2.0*a));
- printf("Case %d: %.10lf %.10lf\n",i,a*ans,b*ans);
- }
- return 0;
- }
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