Driver Code
int main ( ) { Node * root = newNode ( 10 ) ; root -> left = newNode ( 2 ) ; root -> right = newNode ( 3 ) ; root -> left -> left = newNode ( 7 ) ; root -> left -> right = newNode ( 8 ) ; root -> right -> right = newNode ( 15 ) ; root -> right -> left = newNode ( 12 ) ; root -> right -> right -> left = newNode ( 14 ) ; leftView ( root ) ; return 0 ; }