EASY!!

EASY!!

#include<bits/stdc++.h>
using namespace std;
int main(){
    double a=0.0,b=0.0,c=0.0,m=0.0;
    cin>>a>>b>>c;
    double max_value=max({a,b,c})/(max({a+b,b,c})*max({a,b,b+c}));
    printf("%.2f",max_value) ;
}