How to create a triangle pattern of "*" using a For loop in C++?

Question

The following 2 code fragments displays the above pattern. I want to display this same pattern using a For loop in C++.

cout<<"\t";

cout<<"*";

cout<<endl;

cout<<"\t\b***";

cout<<endl;

cout<<"\t\b\b*****";

cout<<endl;

cout<<"\t\b\b\b*******";

cout<<" * "<<endl;

cout<<" *** "<<endl;

cout<<" ***** "<<endl;

cout<<" ******* "<<endl;

cout<<" ********* "<<endl;

I'm a newbie in C++. Help needed

Answer 1

How to Print the

1

23

345

4567

Answer 2

 how to display triangle like this?

                  *

                **

              ***

            ****

          *****