Box It.cpp

#include<bits/stdc++.h>

using namespace std;
//Implement the class Box  
//l,b,h are integers representing the dimensions of the box

// The class should have the following functions : 

// Constructors: 
// Box();
// Box(int,int,int);
// Box(Box);


// int getLength(); // Return box's length
// int getBreadth (); // Return box's breadth
// int getHeight ();  //Return box's height
// long long CalculateVolume(); // Return the volume of the box

//Overload operator < as specified
//bool operator<(Box& b)

//Overload operator << as specified
//ostream& operator<<(ostream& out, Box& B)
class Box{
    private :
            int l,b,h;
    public:
    Box(){l=b=h=0;}
    Box(int len,int br,int hg){
        l = len;
        b = br;
        h = hg;
    }
    Box(const Box& B){
        l = B.l;
        b = B.b;
        h = B.h;
    }
        int getLenght(){
        return l;
    }
    int getBreadth(){
        return b;
    }
    int getHeight(){
        return h;
    }
    long long CalculateVolume(){
        return (long long)l*b*h;
    }
    friend bool operator < ( Box&A,Box& B){
        if( (A.l < B.l) || ((A.b < B.b) && (A.l == B.l)) || ((A.h < B.h) && (A.l == B.l) && (A.b == B.b)) ){
            return true;
        }else{
            return false;
        }
    };
    
    friend ostream& operator<< (ostream& output, const Box& B){
        output << B.l << " " << B.b << " " << B.h;
        return output;
    }
};