{"id":45220,"date":"2023-12-11T15:05:12","date_gmt":"2023-12-11T07:05:12","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=45220"},"modified":"2023-12-11T15:05:12","modified_gmt":"2023-12-11T07:05:12","slug":"%e8%af%b7%e4%bd%a0%e8%af%b4%e4%b8%80%e4%b8%8bbst%e7%9a%84%e7%89%b9%e7%82%b9%ef%bc%8c%e5%b9%b6%e6%89%8b%e5%86%99%e4%bb%a3%e7%a0%81%e5%88%a4%e6%96%ad%e4%b8%80%e6%a3%b5%e6%a0%91%e6%98%af%e4%b8%8d-2","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e8%af%b7%e4%bd%a0%e8%af%b4%e4%b8%80%e4%b8%8bbst%e7%9a%84%e7%89%b9%e7%82%b9%ef%bc%8c%e5%b9%b6%e6%89%8b%e5%86%99%e4%bb%a3%e7%a0%81%e5%88%a4%e6%96%ad%e4%b8%80%e6%a3%b5%e6%a0%91%e6%98%af%e4%b8%8d-2\/","title":{"rendered":"\u8bf7\u4f60\u8bf4\u4e00\u4e0bBST\u7684\u7279\u70b9\uff0c\u5e76\u624b\u5199\u4ee3\u7801\u5224\u65ad\u4e00\u68f5\u6811\u662f\u4e0d\u662fBST"},"content":{"rendered":"

“`” \u53c2\u8003\u56de\u7b54\uff1a<\/p>\n

BST\uff08\u4e8c\u53c9\u6392\u5e8f\u6811\uff09\uff1a<\/p>\n

1\u3001\u6bcf\u4e2a\u7ed3\u70b9\u90fd\u6709\u4e00\u4e2a\u4f5c\u4e3a\u641c\u7d22\u4f9d\u636e\u7684\u5173\u952e\u7801\uff0c\u6240\u6709\u7ed3\u70b9\u7684\u5173\u952e\u7801\u4e0d\u540c<\/p>\n

2\u3001\u5de6\u5b50\u6811\u4e0a\u6240\u6709\u7ed3\u70b9\u7684\u5173\u952e\u7801\u5c0f\u4e8e\u6839\u8282\u70b9\u7684\u5173\u952e\u7801<\/p>\n

3\u3001\u53f3\u5b50\u6811\u6240\u6709\u7ed3\u70b9\u7684\u5173\u952e\u7801\u5927\u4e8e\u6839\u8282\u70b9\u7684\u5173\u952e\u7801<\/p>\n

4\u3001\u5de6\u5b50\u6811\u548c\u53f3\u5b50\u6811\u4e5f\u662fBST<\/p>\n

\u5224\u65ad\u4e00\u68f5\u6811\u662f\u4e0d\u662fBST<\/p>\n

<pre><code class=""language-c"" lang=""c"">class Node {
\n int data;
\n Node left;
\n Node right;
\n}
\npublic class BSTChecker {
\n private static int lastVisit = Integer.MIN_VALUE;
\n public static boolean isBST(Node root) {
\n if(root == null) return true;
\n boolean judgeLeft = isBST(root.left); \/\/ \u5148\u5224\u65ad\u5de6\u5b50\u6811
\n if(root.data >= lastVisit && judgeLeft) { \/\/ \u5f53\u524d\u8282\u70b9\u6bd4\u4e0a\u6b21\u8bbf\u95ee\u7684\u6570\u503c\u8981\u5927
\n lastVisit = root.data;
\n } else {
\n return false;
\n }
\n boolean judgeRight = isBST(root.right); \/\/ \u540e\u5224\u65ad\u53f3\u5b50\u6811
\n return judgeRight;
\n}
\n} <\/p>\n

<\/code><\/pre><\/p>\n

\u00a0<\/p>\n

\u00a0<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u53c2\u8003\u56de\u7b54\uff1a BST\uff08\u4e8c\u53c9\u6392\u5e8f\u6811\uff09\uff1a 1\u3001\u6bcf\u4e2a\u7ed3\u70b9\u90fd\u6709\u4e00\u4e2a\u4f5c\u4e3a\u641c\u7d22\u4f9d\u636e\u7684\u5173\u952e\u7801\uff0c […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-45220","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=45220"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45220\/revisions"}],"predecessor-version":[{"id":45221,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45220\/revisions\/45221"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=45220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=45220"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=45220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}