Question: Objective: 1. Learn counting by programming in C++ 2. Learn recursion in C+ 1. Write a recursive function to calculate double factorial an -n!!, where
Objective: 1. Learn counting by programming in C++ 2. Learn recursion in C+ 1. Write a recursive function to calculate double factorial an -n!!, where n is input by users. Please check slides for definition of double factorial. 2. Assume a set {x: x is an even integer that >= 0 and
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