题解 | #球的半径和体积#

#include <iostream>
#include <math.h>
#include <stdio.h>
#include <iomanip>
using namespace std;

double sz(double a,double b){
    double z;
    if(a>b)z=a-b;
    else z=b-a;
    return z;
}

int main() {
    double a[6];
    for(int i=0;i<6;i++){
        cin>>a[i];
    }
    double s1,s2,s3;
    s1=sz(a[0],a[3]);
    s2=sz(a[1],a[4]);
    s3=sz(a[2],a[5]);
    double r0,r,v;
    r0=s1*s1+s2*s2+s3*s3;
    r=sqrt(r0);
    printf("%.3f",r);
    //cout<<setprecision(4)<<r;
    cout<<" ";
    //double c=4/3;cout<<c<<endl;
    v=(4.0/3.0)*acos(-1)*pow(r,3);
    //cout<<setprecision(5)<<v;
    printf("%.3f",v);
}