Problem 1

Using c++ write a function named Pyramid with one parameter, which is the number of lines, to display a pyramid.

Write a main function to prompt the user to enter an integer from 1 to 15 and call function to display a pyramid, as shown in the following sample output:

Enter the number of lines: 5

1

2 1 2

3 2 1 2 3

4 3 2 1 2 3 4

5 4 3 2 1 2 3 4 5