{"id":1668,"date":"2023-06-19T18:07:43","date_gmt":"2023-06-19T10:07:43","guid":{"rendered":"https:\/\/xinchewhd.com.cn\/?p=1668"},"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%9138-%e6%8b%ac%e5%8f%b7%e7%9a%84%e7%94%9f%e6%88%90","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%9138-%e6%8b%ac%e5%8f%b7%e7%9a%84%e7%94%9f%e6%88%90\/","title":{"rendered":"\u3010\u7b97\u6cd5\u9898\u89e3\u301138. \u62ec\u53f7\u7684\u751f\u6210"},"content":{"rendered":"
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\u275d<\/span><\/p>\n

\u8fd9\u662f\u4e00\u9053 \u300c\u4e2d\u7b49\u96be\u5ea6\u300d<\/strong> \u7684\u9898
https:\/\/leetcode.cn\/problems\/generate-parentheses\/<\/p>\n

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

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

\u6570\u5b57 n<\/code> \u4ee3\u8868\u751f\u6210\u62ec\u53f7\u7684\u5bf9\u6570\uff0c\u8bf7\u4f60\u8bbe\u8ba1\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u80fd\u591f\u751f\u6210\u6240\u6709\u53ef\u80fd\u7684\u5e76\u4e14 \u300c\u6709\u6548\u7684\u300d<\/strong> \u62ec\u53f7\u7ec4\u5408\u3002<\/p>\n

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

<\/span>var<\/span> (
    ans []string<\/span>
    size int<\/span>
    )
func<\/span> generateParenthesis<\/span>(n int<\/span>)<\/span> []string<\/span><\/span> {
    ans = []string<\/span>{}
    size = n
    \/\/ \u4ee5\u5de6\u62ec\u53f7\u5f00\u59cb<\/span>
    path := \"(\"<\/span>

    dfs(path, 1<\/span>, 1<\/span>, 0<\/span>)

    return<\/span> ans
}

func<\/span> dfs<\/span>(path string<\/span>, index int<\/span>, left int<\/span>, right int<\/span>)<\/span><\/span>{
    if<\/span> left > size {
        return<\/span>
    }
    if<\/span> right > size {
        return<\/span>
    }
    if<\/span>(right > left){
        return<\/span>
    }

    if<\/span> index == (2<\/span> * size) {
        ans = append<\/span>(ans, path)
    }

  
    dfs(path + \"(\"<\/span>, index + 1<\/span>, left + 1<\/span>, right)
    
    dfs(path + \")\"<\/span>, index + 1<\/span>, left, right + 1<\/span>)

}
<\/code><\/pre>\n
\u526a\u679d\u540e\u4f18\u5316\u6548\u679c\u975e\u5e38\u660e\u663e\u3002
<\/span><\/span>\u590d\u6742\u5ea6\u5206\u6790<\/span><\/span><\/h4>\n
    \n
  • \n
    \u65f6\u95f4\u590d\u6742\u5ea6\uff1a<\/strong> <\/path><\/g><\/path><\/g><\/path><\/g><\/path><\/g><\/path><\/g><\/g><\/g><\/path><\/g><\/g><\/g><\/svg><\/span><\/span>\u3002\u603b\u7684\u8282\u70b9\u4e2a\u6570\u4e3a <\/path><\/g><\/path><\/g><\/path><\/g><\/path><\/g><\/path><\/g><\/g><\/g><\/path><\/g><\/path><\/g><\/g><\/g><\/svg><\/span><\/span> \u4e2a\uff0c\u9664\u6389\u53f3\u534a\u8fb9\uff0c\u53ef\u4ee5\u6309\u7167 <\/path><\/g><\/path><\/g><\/path><\/g><\/g><\/g><\/g><\/g><\/svg><\/span><\/span>\u4e2a\u8ba1\u7b97\u3002<\/section>\n<\/li>\n
  • \n
    \u7a7a\u95f4\u590d\u6742\u5ea6\uff1a<\/strong> <\/path><\/g><\/path><\/g><\/path><\/g><\/path><\/g><\/g><\/g><\/svg><\/span><\/span>\uff0cch<\/code> \u6570\u7ec4\u957f\u5ea6\u4e3a 2n<\/code>\uff0c\u9012\u5f52\u6df1\u5ea6\u4e5f\u662f 2n<\/code>\u3002<\/section>\n<\/li>\n<\/ul>\n
    \n

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

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