{"id":337,"date":"2020-09-26T10:28:04","date_gmt":"2020-09-26T02:28:04","guid":{"rendered":"http:\/\/39.96.58.60\/?p=337"},"modified":"2022-10-18T16:39:50","modified_gmt":"2022-10-18T08:39:50","slug":"leetcode-145-%e4%ba%8c%e5%8f%89%e6%a0%91%e7%9a%84%e5%90%8e%e5%ba%8f%e9%81%8d%e5%8e%86","status":"publish","type":"post","link":"https:\/\/www.yatenglg.cn\/blog\/?p=337","title":{"rendered":"Leetcode 145. \u4e8c\u53c9\u6811\u7684\u540e\u5e8f\u904d\u5386"},"content":{"rendered":"<p>\u7ed9\u5b9a\u4e00\u4e2a\u4e8c\u53c9\u6811\uff0c\u8fd4\u56de\u5b83\u7684 <em>\u540e\u5e8f&nbsp;<\/em>\u904d\u5386\u3002<\/p>\n<p><strong>\u793a\u4f8b:<\/strong><\/p>\n<pre><strong>\u8f93\u5165:<\/strong> [1,null,2,3]  \n\n   1\n\n    \\\n\n     2\n\n    \/\n\n   3 \n\n\n\n<strong>\u8f93\u51fa:<\/strong> [3,2,1]<\/pre>\n<p><strong>\u8fdb\u9636:<\/strong>&nbsp;\u9012\u5f52\u7b97\u6cd5\u5f88\u7b80\u5355\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u8fed\u4ee3\u7b97\u6cd5\u5b8c\u6210\u5417\uff1f<\/p>\n<p>**\u96be\u5ea6**: Medium<\/p>\n<p>**\u6807\u7b7e**: \u6808\u3001 \u6811\u3001<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism undefined-numbers lang-python\" data-lang=\"Python\"><code>\n# -*- coding: utf-8 -*-\n# @Author  : LG\n\n\"\"\"\n\u6267\u884c\u7528\u65f6\uff1a36 ms, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8689.79% \u7684\u7528\u6237\n\u5185\u5b58\u6d88\u8017\uff1a13.2 MB, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8694.96% \u7684\u7528\u6237\n\n\u89e3\u9898\u601d\u8def\uff1a\n    \u9012\u5f52\n\"\"\"\nclass Solution:\n    def postorderTraversal(self, root: TreeNode) -&gt; List[int]:\n        result = []\n        def find(root):\n            if root:\n                find(root.left) # \u5148\u5904\u7406\u5de6\u8282\u70b9\n                find(root.right)    # \u518d\u5904\u7406\u53f3\u8282\u70b9\n                result.append(root.val) # \u6700\u540e\u5904\u7406\u5f53\u524d\u8282\u70b9\n        find(root)\n        return result<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7ed9\u5b9a\u4e00\u4e2a\u4e8c\u53c9\u6811\uff0c\u8fd4\u56de\u5b83\u7684 \u540e\u5e8f&nbsp;\u904d\u5386\u3002 \u793a\u4f8b: \u8f93\u5165: [1,null,2,3] 1 \\ 2 \/ 3&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/337"}],"collection":[{"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=337"}],"version-history":[{"count":1,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/337\/revisions"}],"predecessor-version":[{"id":338,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/337\/revisions\/338"}],"wp:attachment":[{"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}