Skip to content
This repository has been archived by the owner on Sep 20, 2023. It is now read-only.

Latest commit

 

History

History

0145.binary-tree-postorder-traversal

题目

Given a binary tree, return the postorder traversal of its nodes' values.

For example: Given binary tree {1,#,2,3},

   1
    \
     2
    /
   3

return [3,2,1].

Note: Recursive solution is trivial, could you do it iteratively?

解题思路

见程序注释