C++ program

Write a function declaration and a function definition for a function named check_number_hillthat takes three arguments of type int and returns true if the given sequence can be seen as a "hill".

For example, given the input (5, 8, 6), your function should return true, given the inputs, such as (6, 7, 9), (5, 2, 3) or (8, 6, 1), your function should return false. You can use any type of C++ statements.