5 lines
239 B
APL
5 lines
239 B
APL
|
preorder ? {l r?? ?? ? ? (?r)???(×?r)?(?l)???(×?l)?? ?? ?}
|
|||
|
|
inorder ? {l r?? ?? ? ? (?r)???(×?r)?? ???(?l)???(×?l)??}
|
|||
|
|
postorder? {l r?? ?? ? ? ? ???(?r)???(×?r)?(?l)???(×?l)??}
|
|||
|
|
lvlorder ? {0=??:? ? (????/(??),??)??°(,/)?2??°??¨?}
|