10297 - Beavergnaw

medium.cpp

#include<stdio.h>
#include<stdlib.h>
#include<iostream>
#include<cmath>
#include <iomanip>

#define PI 3.14159265

using namespace std;

int main(){
    
    int D,V;
    double d;
    cin >> D >> V;
    while(D!=0 && V!=0){
        d = pow(pow(D,3)-6*V/PI, 1.0/3); //d=(D^3-6*V/PI)^1/3 
        cout << setiosflags(ios::fixed) << setprecision(3) << d << endl;
        cin >> D >> V;
    }
}