box_it.cpp

#include<bits/stdc++.h>

using namespace std;

class Box {
    private:
        int l, b, h;
    
    public:
        Box() {
            l = 0;
            b = 0;
            h = 0;
        }
        
        Box(int length, int breadth, int height) {
            l = length;
            b = breadth;
            h = height;
        }
        
        Box(Box& B) {
            l = B.l;
            b = B.b;
            h = B.h;
        }
        
        int getLength() {
            return l;
        }
        
        int getBreadth() {
            return b;
        }
        
        int getHeight() {
            return h;
        }
        
        long long CalculateVolume() {
            return (long long)l* b * h;
        }
        
        bool operator <(Box B) {
            if(l < B.l) return true;
            else if(b < B.b && l == B.l) return true;
            else if(l == B.l && (h < B.h && b == B.b)) return true;
            else return false;
        }
        
};

ostream& operator <<(ostream& out, Box& B) {
    out << B.getLength() << " " << B.getBreadth() << " " << B.getHeight();
    return out;
}

void check2()
{
	int n;
	cin>>n;
	Box temp;
	for(int i=0;i<n;i++)
	{
		int type;
		cin>>type;
		if(type ==1)
		{
			cout<<temp<<endl;
		}
		if(type == 2)
		{
			int l,b,h;
			cin>>l>>b>>h;
			Box NewBox(l,b,h);
			temp=NewBox;
			cout<<temp<<endl;
		}
		if(type==3)
		{
			int l,b,h;
			cin>>l>>b>>h;
			Box NewBox(l,b,h);
			if(NewBox<temp)
			{
				cout<<"Lesser\n";
			}
			else
			{
				cout<<"Greater\n";
			}
		}
		if(type==4)
		{
			cout<<temp.CalculateVolume()<<endl;
		}
		if(type==5)
		{
			Box NewBox(temp);
			cout<<NewBox<<endl;
		}

	}
}

int main()
{
	check2();
}