Question

In c++

Rewrite the following recursive method into an iterative function. 
void mystery (int n)
{
   cout<<"? ";
   if (n > 0)
     mystery (n - 1);
}

Answer 1

Dear Student,

below i have written the iterative function as per the requirement, i have also written the complete C++ program along with the output for your bettr understanding.

=============================================================

Iterative Method:

void mystery (int n)
{
   cout<<"? ";
   while(n>0)
   {
   cout<<"? ";
   n--;
   }
}

===================================================================

Complete Program:

#include<iostream>

using namespace std;

void mystery (int n)
{
   cout<<"? ";
   while(n>0)
   {
   cout<<"? ";
   n--;
   }
}

int main()

{

mystery(5);

cout<<endl;

return 0;

}

============================================================

Sample Output:

=============================================================

Kindly Check and Verify Thanks..!!!