求立方体的体积

#include<stdio.h>

#include<iostream>

#include<wchar.h>

#include<cstdlib>

#include<iomanip>

using namespace std;

class Box

{

private:

int h, w, d;

public:

Box(int , int , int);

~Box();

int volume();

};

Box::Box(int a, int b, int c)

{

h=a;

w=b;

d=c;

}

Box::~Box ()

{

}

int Box::volume ()

{

return h*w*d;

}

int main()

{

Box v(1,2,3);

int m=v.volume ();

cout << m<< endl;

}