GeeksforGeeks » C/C++ Programming Questions

Explain functionality of the given recursive C function

(2 posts)

  1. ganesh
    guest
    Posted 1 year ago # 

    int func(int i)
{
  if(i%2) return (i++);
  else return func(func(i-1));
}

  2. Shekhu
    Member
    Posted 1 year ago #

    If n is odd then returns n, else returns (n-1). Eg., for n = 12 you get 11 and for n = 11 you get 11. In this statement "return i++" returns value of i only as it is a post increment.


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