C++ programming help please.

Write a correct complete and thorough C++ program that receives a number from the input file and outputs the following pattern to the

Example Input/Expected Outputs: Example 1: input.txt: 2. output.txt: # #**# input.txt 4 output.txt: # #***# #****#****# #****#****#****# Assumptions to be made: 1. Only the main algorithm is needed for header documentation 2. There are asterisks (*) only between characters