LightOj 1043 Triangle Partitioning

Hints: ADE/ABC=DE^2/BC^2 and AD/AB=DE/BC

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int t,i,j;
    float ab,ac,bc,debc,abe,bdec,r,adeabc,ad;
    cin>>t;
    for(i=1;i<=t;i++)
    {
       cin>>ab>>ac>>bc>>r;
       adeabc=r/(r+1);
       debc=sqrt(adeabc);
       ad=debc*ab;
       printf("Case %d: %0.8f\n",i,ad);
    }

    return 0;
}

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