Please solve with details label steps. USE NESTED FOR LOOPS.

In this assignment, write a C++ program that prompts the user to enter a whole number and then prints the "triangle" pattern shown below. t whole number: Output pattern: (HINT: use nested FOR loops to generate the pattern.) Requirements: Your program must be well commented, use meaningful identifiers, use named constants where possible, and use indentation as n in the textbook. Submit your source code (cpp) program and output screen shot