{"id":2807,"date":"2020-01-23T12:50:59","date_gmt":"2020-01-23T04:50:59","guid":{"rendered":"http:\/\/www.sniper97.cn\/?p=2807"},"modified":"2020-01-23T12:50:59","modified_gmt":"2020-01-23T04:50:59","slug":"%e3%80%90leetcode%e3%80%910022-%e6%8b%ac%e5%8f%b7%e7%94%9f%e6%88%90","status":"publish","type":"post","link":"http:\/\/www.sniper97.cn\/index.php\/note\/algorithm\/2807\/","title":{"rendered":"\u3010LeetCode\u30110022 \u62ec\u53f7\u751f\u6210"},"content":{"rendered":"\n<p><a href=\"https:\/\/leetcode-cn.com\/problems\/generate-parentheses\/\">https:\/\/leetcode-cn.com\/problems\/generate-parentheses\/<\/a><\/p>\n\n\n<pre class=\"wp-block-preformatted\"># -*- coding:utf-8 -*-\n<em>\n<\/em>class Solution(object):\n    def generateParenthesis(self, n):\n        <em>\"\"\"\n        <\/em><strong><em>:type<\/em><\/strong><em> n: int\n        <\/em><strong><em>:rtype<\/em><\/strong><em>: List[str]\n        \"\"\"\n        <\/em>if n == 0:\n            return ['']\n        if n == 1:\n            return ['()']\n        res = ['()']\n        for i in range(n - 1):\n            temp_list = []\n            for each in res:\n                for j in range(len(each)):\n                    temp_str = each[:j + 1] + '()' + each[j + 1:]\n                    print(each, temp_str)\n                    temp_list.append(temp_str)\n            res = temp_list\n        res_fin = []\n        for each in res:\n            if each not in res_fin:\n                res_fin.append(each)\n        return res_fin\n        pass\nif __name__ == '__main__':\n    n = 3\n    print(Solution().generateParenthesis(n))\n<\/pre>\n\n\n<p><strong>\u601d\u8def<\/strong>\uff1a\u5728\u4e0a\u4e00\u4e2a\u7b54\u6848\u7684\u6bcf\u4e00\u4e2a\u5b57\u7b26\u4e2d\u518d\u52a0\u4e00\u4e2a\uff08\uff09\u7136\u540e\u53bb\u91cd\u3002\u6bd4\u5982\u5f53n==2\u65f6\uff0c\u5c31\u662f\u5728n==1\u7684\u7ed3\u679c\uff08\uff09\u4e2d \u518d\uff08\u524d\u52a0\u4e00\u4e2a\uff08\uff09\uff0c\u5728\uff08\uff09\u4e2d\u52a0\u4e00\u4e2a\u62ec\u53f7\uff0c\u5728\uff09\u540e\u52a0\u4e00\u4e2a\u62ec\u53f7\u4ee5\u6c42\u7684n==2\u65f6\u7684\u7b54\u6848\u3002<\/p>\n\n\n<p>\u4f46\u662f\u8fd9\u79cd\u65b9\u6cd5\u590d\u6742\u5ea6\u7565\u9ad8\uff0c\u6ca1\u529e\u6cd5\u901a\u8fc7\u6240\u6709\u7684\u7528\u4f8b\uff0c\u6700\u540e\u4e00\u4e2a\u7528\u4f8b\u56e0\u4e3a\u8d85\u65f6\u4f1a\u4e0d\u80fdAC\u3002<\/p>\n\n\n<p><strong>\u601d\u8003<\/strong>\uff1a\u6709\u4e00\u79cd\u6539\u8fdb\u5c31\u662f\u4f7f\u7528\u9012\u5f52\u7684\u601d\u60f3\u6c42\u89e3\u3002<\/p>\n\n\n<pre class=\"wp-block-preformatted\">def generateParenthesis1(self, n):<br \/>    <em>\"\"\"<br \/><\/em><em>    <\/em><strong><em>:type<\/em><\/strong><em> n: int<br \/><\/em><em>    <\/em><strong><em>:rtype<\/em><\/strong><em>: List[str]<br \/><\/em><em>    \"\"\"<br \/><\/em><em>    <\/em>if n == 0:<br \/>        return [\"\"]<br \/>    elif n == 1:<br \/>        return [\"()\"]<br \/>    elif n == 2:<br \/>        return [\"()()\", \"(())\"]<br \/>    result = []<br \/>    for i in range(n):<br \/>        j = n - 1 - i<br \/>        temp1 = self.generateParenthesis(i)<br \/>        temp2 = self.generateParenthesis(j)<br \/>        result.extend([\"(%s)%s\" % (p, q) for p in temp1 for q in temp2])<br \/>    return result<\/pre>\n\n\n<p>\u53ef\u4ee5AC\u5168\u90e8\u7528\u4f8b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/leetcode-cn.com\/problems\/generate-parenthe [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[10],"tags":[],"views":1778,"_links":{"self":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/2807"}],"collection":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2807"}],"version-history":[{"count":0,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/posts\/2807\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2807"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.sniper97.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}