{"id":1664,"date":"2023-06-19T18:07:43","date_gmt":"2023-06-19T10:07:43","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1664"},"modified":"2023-06-19T18:07:43","modified_gmt":"2023-06-19T10:07:43","slug":"%e3%80%90%e7%ae%97%e6%b3%95%e9%a2%98%e8%a7%a3%e3%80%9136-%e5%af%b9%e7%a7%b0%e4%ba%8c%e5%8f%89%e6%a0%91%e7%9a%84%e9%80%92%e5%bd%92%e8%a7%a3%e6%b3%95","status":"publish","type":"post","link":"https:\/\/xinchewhd.com.cn\/index.php\/%e7%ae%97%e6%b3%95\/%e3%80%90%e7%ae%97%e6%b3%95%e9%a2%98%e8%a7%a3%e3%80%9136-%e5%af%b9%e7%a7%b0%e4%ba%8c%e5%8f%89%e6%a0%91%e7%9a%84%e9%80%92%e5%bd%92%e8%a7%a3%e6%b3%95\/","title":{"rendered":"\u3010\u7b97\u6cd5\u9898\u89e3\u301136. \u5bf9\u79f0\u4e8c\u53c9\u6811\u7684\u9012\u5f52\u89e3\u6cd5"},"content":{"rendered":"
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\u275d<\/span><\/p>\n

\u8fd9\u662f\u4e00\u9053 \u300c\u7b80\u5355\u300d<\/strong> \u9898
https:\/\/leetcode.cn\/problems\/symmetric-tree\/<\/p>\n

\u275e<\/span><\/p><\/blockquote>\n

<\/span>\u9898\u76ee<\/span><\/span><\/h2>\n

\u7ed9\u4f60\u4e00\u4e2a\u4e8c\u53c9\u6811\u7684\u6839\u8282\u70b9 root<\/code> \uff0c \u68c0\u67e5\u5b83\u662f\u5426\u8f74\u5bf9\u79f0\u3002<\/p>\n

\u793a\u4f8b 1\uff1a<\/strong>

<\/span>
\/**
 * Definition for a binary tree node.
 * type TreeNode struct {
 *     Val int
 *     Left *TreeNode
 *     Right *TreeNode
 * }
 *\/<\/span>
func<\/span> isSymmetric<\/span>(root *TreeNode)<\/span> bool<\/span><\/span> {
    if<\/span> root == nil<\/span> {
        return<\/span> true<\/span>
    }
    return<\/span> isSymmetric2(root.Left, root.Right)
}

func<\/span> isSymmetric2<\/span>(left *TreeNode, right *TreeNode)<\/span> bool<\/span><\/span> {
    if<\/span> left == nil<\/span> && right == nil<\/span> {
        return<\/span> true<\/span>
    }else<\/span> if<\/span> left == nil<\/span> || right == nil<\/span> {
        return<\/span> false<\/span>
    }

    return<\/span> left.Val == right.Val && isSymmetric2(left.Right, right.Left) && isSymmetric2(left.Left, right.Right)
}
<\/code><\/pre>\n
<\/span>\u590d\u6742\u5ea6\u5206\u6790<\/span><\/span><\/h2>\n
    \n
  • \n
    \u65f6\u95f4\u590d\u6742\u5ea6<\/strong>\uff1a<\/path><\/g><\/path><\/g><\/path><\/g><\/path><\/g><\/g><\/g><\/svg><\/span><\/span>\u3002N<\/code> \u4e3a\u4e8c\u53c9\u6811\u4e2d\u7684\u8282\u70b9\u4e2a\u6570\u3002\u6bcf\u4e2a\u8282\u70b9\u90fd\u9700\u8981\u8ba1\u7b97\u4e00\u6b21\uff0c\u603b\u8ba1\u662f N<\/code> \u6b21\u3002<\/section>\n<\/li>\n
  • \n
    \u7a7a\u95f4\u590d\u6742\u5ea6<\/strong>\uff1a<\/path><\/g><\/path><\/g><\/path><\/g><\/path><\/g><\/g><\/g><\/svg><\/span><\/span>\u3002\u7a7a\u95f4\u590d\u6742\u5ea6\u53d6\u51b3\u4e8e\u8c03\u7528\u6808\u7684\u6df1\u5ea6\uff0c\u6700\u5dee\u4e3a N<\/code>\u3002<\/section>\n<\/li>\n<\/ul>\n

    <\/section>\n
    \n

    <\/span><\/p>\n
    - End -<\/span><\/p>\n<\/section>\n

    <\/p>\n
    <\/mp-common-profile><\/section>\n

    <\/section>\n<\/section>\n
    <\/mp-style-type><\/p>\n
    \n
    \u672c\u7bc7\u6587\u7ae0\u6765\u6e90\u4e8e\u5fae\u4fe1\u516c\u4f17\u53f7:                 i\u4f59\u6570              <\/p>\n<\/blockquote>\n<\/div>\n","raw":"","protected":false},"excerpt":{"rendered":"
    \u275d \u8fd9\u662f\u4e00\u9053 \u300c\u7b80\u5355\u300d \u9898https:\/\/leetcode.cn\/problems\/symmetric-tree\/ \u275e \u9898\u76ee \u7ed9\u4f60 …<\/p>\n","protected":false},"author":1,"featured_media":1640,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-1664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-22"],"post_thumbnail_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044023675-150x150.jpeg","content_first_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044029181.png","post_medium_image_300":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044023675-300x128.jpeg","post_thumbnail_image_624":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044023675-1024x435.jpeg","post_frist_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044029181.png","post_medium_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044023675-300x128.jpeg","post_large_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044023675-1024x435.jpeg","post_full_image":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044023675.jpeg","post_all_images":[{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044029181.png","id":"image0"},{"imagesurl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230528044029181.png","id":"image1"}],"videoAdId":"","listAd":"0","listAdId":"","listAdEvery":6,"total_comments":0,"category_name":"\u7b97\u6cd5","post_date":"2023-06-19","like_count":"0","praiseWord":"\u9f13\u52b1","copyright_state":"","excitationAd":"0","rewardedVideoAdId":"","detailAdId":"","detailAd":"0","enterpriseMinapp":"0","audios":[],"postImageUrl":"https:\/\/wp-moto-1258805347.cos.ap-shanghai.myqcloud.com\/2023\/05\/20230519082947553.jpg","avatarurls":[],"related_posts":null,"pageviews":228,"next_post_id":1601,"next_post_title":"\u3010\u7b97\u6cd5\u9898\u89e3\u301130. \u5168\u6392\u5217\u7684\u9012\u5f52\u89e3\u6cd5","previous_post_id":1528,"previous_post_title":"\u3010\u7b97\u6cd5\u30112. \u5224\u65ad\u4e00\u4e2a\u6574\u6570\u662f\u5426\u662f 2 \u7684\u5e42\u6b21\u65b9","_links":{"self":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/1664","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1664"}],"version-history":[{"count":0,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/posts\/1664\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media\/1640"}],"wp:attachment":[{"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1664"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1664"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xinchewhd.com.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1664"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}