Write a C++ program to display Pascal’s triangle using the Constructor Destructor

Write a C++ program to display Pascal’s triangle using the Constructor Destructor.

#include<iostream>
using namespace std;
class T4Tutorials
{
	public:
		int r,s,i,j,c;
		T4Tutorials()
			{
				cout<<"num of rows:";
				cin>>r;
				for(i=0;i<r;i++)
				{
					for(s=1;s<=r-i;s++)
					{
						cout<<" ";
					}
					for(j=0;j<=i;j++)
					{
						if(j==0||i==0)
						{
							c=1;
						}
						else
						{
							c=c*(i-j+1)/j;
						}
						cout<<c<<" ";
					}
					cout<<endl;
				}
			}
	~T4Tutorials()
	{
	cout<<"The destructor has done its work"<<endl;
	}
};
int main()
{
	T4Tutorials obj;
}

Output