import std.stdio;
class Box {
protected:
double width...
import std.stdio;
class Box {
public:
double length; ...
import std.stdio;
import std.string;
import std.dateti...
import std.stdio;
import std.string;
import std.datetime...
import std.stdio;
// Base class
interface Shape {
publi...
import std.stdio;
// Base class
interface Shape {
publi...
import std.stdio;
class Adder {
public:
// constructo...
import std.random;
import std.stdio;
import std.string...
import std.stdio;
class Box {
public:
double getVolume...
import std.stdio;
class Box {
public:
double getVolume...
