{"id":933,"date":"2025-12-12T14:02:05","date_gmt":"2025-12-12T06:02:05","guid":{"rendered":"https:\/\/www.guanhaobo.cn\/?p=933"},"modified":"2025-12-12T14:02:05","modified_gmt":"2025-12-12T06:02:05","slug":"leetcode-226-%e7%bf%bb%e8%bd%ac%e4%ba%8c%e5%8f%89%e6%a0%91","status":"publish","type":"post","link":"https:\/\/www.guanhaobo.cn\/?p=933","title":{"rendered":"LeetCode 226 \u2014 \u7ffb\u8f6c\u4e8c\u53c9\u6811"},"content":{"rendered":"<h1>\u9898\u76ee\u63cf\u8ff0<\/h1>\n<p>\u7ed9\u4f60\u4e00\u68f5\u4e8c\u53c9\u6811\u7684\u6839\u8282\u70b9 root \uff0c\u7ffb\u8f6c\u8fd9\u68f5\u4e8c\u53c9\u6811\uff0c\u5e76\u8fd4\u56de\u5176\u6839\u8282\u70b9\u3002<\/p>\n<p><a class=\"wp-editor-md-post-content-link\" href=\"https:\/\/www.guanhaobo.cn\/wp-content\/uploads\/2025\/12\/wp_editor_md_9a1af1c0c52e1542f44fecbc08010883.jpg\"><img decoding=\"async\" src=\"https:\/\/www.guanhaobo.cn\/wp-content\/uploads\/2025\/12\/wp_editor_md_9a1af1c0c52e1542f44fecbc08010883.jpg\" alt=\"\" \/><\/a><\/p>\n<h1>\u9898\u76ee\u5206\u6790<\/h1>\n<p>\u9012\u5f52<\/p>\n<h1>Java<\/h1>\n<pre><code class=\"language-java line-numbers\">public TreeNode invertTree(TreeNode root) {\n    if (root == null) {\n        return null;\n    }\n    TreeNode left = invertTree(root.right);\n    TreeNode right = invertTree(root.left);\n    root.left = left;\n    root.right = right;\n    return root;\n}\n<\/code><\/pre>\n<h1>Kotlin<\/h1>\n<pre><code class=\"language-kotlin line-numbers\">fun invertTree(root: TreeNode?): TreeNode? {\n    if (root == null) {\n        return null\n    }\n    val left = invertTree(root.right)\n    val right = invertTree(root.left)\n    root.left = left\n    root.right = right\n    return root\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee\u63cf\u8ff0 \u7ed9\u4f60\u4e00\u68f5\u4e8c\u53c9\u6811\u7684\u6839\u8282\u70b9 root \uff0c\u7ffb\u8f6c\u8fd9\u68f5\u4e8c\u53c9\u6811\uff0c\u5e76\u8fd4\u56de\u5176\u6839\u8282\u70b9\u3002 \u9898\u76ee\u5206\u6790 \u9012\u5f52 Java pu [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[20,33,64],"class_list":["post-933","post","type-post","status-publish","format-standard","hentry","category-algo","tag-leetcode","tag-33","tag-64"],"_links":{"self":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts\/933","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=933"}],"version-history":[{"count":1,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts\/933\/revisions"}],"predecessor-version":[{"id":934,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=\/wp\/v2\/posts\/933\/revisions\/934"}],"wp:attachment":[{"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.guanhaobo.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}