Consider the following recursive function: void recurse(int num) { if (num == 0) cout << “ Zero” << endl; else { cout << " " << num << " " << endl; recurse(num + 1) } } Is recurse (-2) a valid call? If a valid call, what is the output of the entire function execution? If not a valid call, explain why it is not a valid call.

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter15: Recursion
Section: Chapter Questions
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  1. Consider the following recursive function:

 

void recurse(int num) {

  if (num == 0)

    cout << “ Zero” << endl;

  else {

    cout << " " << num << " " << endl;

    recurse(num + 1)

  }

}

 

 

 

Is recurse (-2) a valid call? If a valid call, what is the output of the entire function execution? If not a valid call, explain why it is not a valid call.

 

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