how to define a class in a c++ object oriented program

Let’s begin with defining a class in the C++ object-oriented program.

Program

Write a program in C to display such a pattern for n number of rows using a number which will start with the number 1 and the first and the last number of each row will be 1. The pattern is as follows:

#include<iostream>
using namespace std;
class T4Tutorials
{
	protected:
		int i,j,k,l,n;
	public:
		int show()
		{
			cout<<"num of rows :";
			cin>>n;
			for(i=1;i<=n;i++)
			{
				for(l=1;l<=n-i;l++)
				{
						cout<<" ";
				}
				for(j=1;j<=i;j++)
				{
						cout<<j;
					}
					for(k=i-1;k>=1;k--)
					{
						cout<<k;
					}
					cout<<endl;
				}
			}
};
int main()
{
	T4Tutorials obj;
	obj.show();
}

#include<iostream>

using namespace std;

class T4Tutorials

{

protected:

int i,j,k,l,n;

public:

int show()

{

cout<<"num of rows :";

cin>>n;

for(i=1;i<=n;i++)

{

for(l=1;l<=n-i;l++)

{

cout<<" ";

}

for(j=1;j<=i;j++)

{

cout<<j;

}

for(k=i-1;k>=1;k--)

{

cout<<k;

}

cout<<endl;

}

};

int main()

{

T4Tutorials obj;

obj.show();

}

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