Any ideas on my C++ program

[trung222]

I have a program that create an object that ask user to enter a number then the output is like this when the user enter '4':

1
22
333
4444
333
22
1

anyone can help me to give out an idea

[gdsimz]

http://en.wikipedia.org/wiki/Wikipedia:List_of_really,_really,_really_stupid_article_ideas_that_you_really,_really,_really_should_not_create

[jsmith]

There have been various posts recently around here where it was asked how to output a triangle of stars, eg:

*
**
***
****
***
**
*

I suggest looking around a bit and finding one of them. All you need to do is replace the * with the right
number, which is trivial.