Why does this code print \"bye\" first and then \"Hello 1\" 3 times. I do not un

Question

Why does this code print "bye" first and then "Hello 1" 3 times. I do not understand why it goes in reverse, please explain.

#include <iostream>

void what(int[ ], int); using namespace std;

int main()

{

int s, a[ ]={0, 1,2,3,4,5,6,7};

what(a,8);

return 0; }

void what(int b[ ], int size)

{

cout << "size is: " << size << endl;

if (size > 1 ) {
what(b, size - 2);
cout << "size: " << size << endl;
cout << "hello ";

cout << b[1] << " ";

}

else {
cout << "bye ";

}}

Explanation / Answer

It is printed in reverse because what function is a recursive function due to which it will keep calling itselt till the size is not greater than 1 once the size is less than or equal to 1 then the recursive calls will start returning to the previous calls and in turn will do their remaining work.

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