Alpha Hill

Easy

0/40

Average time to solve is 15m

Contributed by

101 upvotes

Problem statement

Sam is curious about Alpha-Hills, so he decided to create Alpha-Hills of different sizes.

An Alpha-hill is represented by a triangle, where alphabets are filled in palindromic order.

For every value of ‘N’, help sam to return the corresponding Alpha-Hill.

Example:

Input: ‘N’ = 3

Output: 
    A
  A B A
A B C B A

Detailed explanation ( Input/output format, Notes, Images )

Input Format:

The first and only line contains an integer, ‘N’.

Output format:

Print the pattern as specified.

Constraints :

1  <= N <= 25
Time Limit: 1 sec

    A
  A B A
A B C B A

Console