Driver code
int main ( ) { Node * root = new Node ( 1 ) ; root -> left = new Node ( 2 ) ; root -> right = new Node ( 3 ) ; cout << " Specific ▁ Level ▁ Order ▁ traversal ▁ of ▁ binary ▁ " " tree ▁ is ▁ STRNEWLINE " ; specific_level_order_traversal ( root ) ; return 0 ; }