Driver program to test above functions
int main ( ) { Node * root = newNode ( 1 ) ; root -> left = newNode ( 2 ) ; root -> right = newNode ( 3 ) ; cout << " Specific ▁ Level ▁ Order ▁ traversal ▁ of ▁ binary ▁ " " tree ▁ is ▁ STRNEWLINE " ; printSpecificLevelOrder ( root ) ; return 0 ; }