text: Driver code
code: int main ( ) { struct node * root = newNode ( 1 ) ; root -> left = newNode ( 2 ) ; root -> right = newNode ( 3 ) ; root -> left -> left = newNode ( 4 ) ; root -> left -> right = newNode ( 5 ) ; printf ( " Height ▁ of ▁ tree ▁ is ▁ % d " , maxDepth ( root ) ) ; getchar ( ) ; return 0 ; }