About the given challenge

#1

i am facing problem in doing this challenge. help me to solve this challenge i share my code to you if you reply

#2

Save your code on ide.codingblocks.com and share its link

#3

https://ide.codingblocks.com/s/371912

#4

Your code is not running because you forgot to take n as input.
But still your pattern is not correct
Your pattern must be exactly like this

 	 	 	1	
 	 	2	3	2	
 	3	4	5	4	3	
4	5	6	7	6	5	4

You can refer this https://ide.codingblocks.com/s/280206
Dry run this code and try to understand how it is working