题解 | #球的半径和体积#

#include<bits/stdc++.h>

using namespace std;

int main() {
    vector<double>v;
    double t;
    while (cin >> t) {
        v.push_back(t);
    }
    double r = 0;
    for (int i = 0; i < 3; i++)
        r += (v[i] - v[i + 3]) * (v[i] - v[i + 3]);
    r = sqrt(r);
    cout << fixed << setprecision(3) << r << ' ' << 4.0 / 3 * r* r* r* M_PI;
    return 0;
}
// 64 位输出请用 printf("%lld")