$a_1=3$

$a_n=2a_{n-1}+5$

Write C$++$ code in your main program to sum up the elements of a stack.Assume that you have access to the stack class code.Assume you have access to the list code. Write code to find the sumof the max and the min numbers in the list.Given the list code, write a function that will delete the item in themiddle of the list. If the list has even number of elements, then deleteboth items in the middle.