题解 | 牛牛学立体

#include <iostream>
using namespace std;

int main() {
    int a, b, c;
    cin >> a >> b >> c;
    int s = 2 * (a * b + b * c + c * a);
    int v = a * b * c;
    cout << s << endl;
    cout << v << endl;
    return 0;
}
// 64 位输出请用 printf("%lld")