{"id":403,"date":"2020-09-26T10:37:38","date_gmt":"2020-09-26T02:37:38","guid":{"rendered":"http:\/\/39.96.58.60\/?p=403"},"modified":"2022-10-18T16:39:24","modified_gmt":"2022-10-18T08:39:24","slug":"leetcode-942-%e5%a2%9e%e5%87%8f%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%8c%b9%e9%85%8d","status":"publish","type":"post","link":"http:\/\/www.yatenglg.cn\/blog\/?p=403","title":{"rendered":"Leetcode 942. \u589e\u51cf\u5b57\u7b26\u4e32\u5339\u914d"},"content":{"rendered":"<p>\u7ed9\u5b9a\u53ea\u542b&nbsp;<code>\"I\"<\/code>\uff08\u589e\u5927\uff09\u6216 <code>\"D\"<\/code>\uff08\u51cf\u5c0f\uff09\u7684\u5b57\u7b26\u4e32&nbsp;<code>S<\/code>&nbsp;\uff0c\u4ee4&nbsp;<code>N = S.length<\/code>\u3002<\/p>\n<p>\u8fd4\u56de&nbsp;<code>[0, 1, ..., N]<\/code>&nbsp;\u7684\u4efb\u610f\u6392\u5217&nbsp;<code>A<\/code>&nbsp;\u4f7f\u5f97\u5bf9\u4e8e\u6240\u6709&nbsp;<code>i = 0,&nbsp;..., N-1<\/code>\uff0c\u90fd\u6709\uff1a<\/p>\n<ul>\n<li>\u5982\u679c&nbsp;<code>S[i] == \"I\"<\/code>\uff0c\u90a3\u4e48&nbsp;<code>A[i] &lt; A[i+1]<\/code><\/li>\n<li>\u5982\u679c&nbsp;<code>S[i] == \"D\"<\/code>\uff0c\u90a3\u4e48&nbsp;<code>A[i] &gt; A[i+1]<\/code><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>\u793a\u4f8b 1\uff1a<\/strong><\/p>\n<pre><strong>\u8f93\u51fa\uff1a<\/strong>\"IDID\"\n\n<strong>\u8f93\u51fa\uff1a<\/strong>[0,4,1,3,2]\n\n<\/pre>\n<p><strong>\u793a\u4f8b 2\uff1a<\/strong><\/p>\n<pre><strong>\u8f93\u51fa\uff1a<\/strong>\"III\"\n\n<strong>\u8f93\u51fa\uff1a<\/strong>[0,1,2,3]\n\n<\/pre>\n<p><strong>\u793a\u4f8b 3\uff1a<\/strong><\/p>\n<pre><strong>\u8f93\u51fa\uff1a<\/strong>\"DDI\"\n\n<strong>\u8f93\u51fa\uff1a<\/strong>[3,2,0,1]<\/pre>\n<p>&nbsp;<\/p>\n<p><strong>\u63d0\u793a\uff1a<\/strong><\/p>\n<ol>\n<li><code>1 &lt;= S.length &lt;= 10000<\/code><\/li>\n<li><code>S<\/code> \u53ea\u5305\u542b\u5b57\u7b26&nbsp;<code>\"I\"<\/code>&nbsp;\u6216&nbsp;<code>\"D\"<\/code>\u3002<\/li>\n<\/ol>\n<p>**\u96be\u5ea6**: Easy<\/p>\n<p>**\u6807\u7b7e**: \u6570\u5b66\u3001<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism undefined-numbers lang-python\" data-lang=\"Python\"><code>\n# -*- coding: utf-8 -*-\n# @Author  : LG\n\n\"\"\"\n\u6267\u884c\u7528\u65f6\uff1a4752 ms, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e865.05% \u7684\u7528\u6237\n\u5185\u5b58\u6d88\u8017\uff1a14.8 MB, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8616.67% \u7684\u7528\u6237\n\n\u7b97\u6cd5\u601d\u60f3\uff1a\n    \u4e24\u4e2a\u5217\u8868\uff0c\u4e00\u4e2a\u4fdd\u5b58\u9700\u8981\u653e\u5165\u7684\u5143\u7d20\uff0c \u4e00\u4e2a\u7528\u6765\u5b58\u50a8\u7ed3\u679c\n    \u5982\u9047\u5230I\uff0c\u5219\u4ece\u5217\u8868\u4e2d\u53d6\u51fa\u6700\u5c0f\u503c\uff0c\u653e\u5165result\u4e2d\n    \u9047\u5230D\uff0c\u5219\u4ece\u5217\u8868\u4e2d\u53d6\u51fa\u6700\u5927\u503c\uff0c\u653e\u5165result\u4e2d\n\"\"\"\nclass Solution:\n    def diStringMatch(self, S: str) -&gt; List[int]:\n        result = []\n        list1 = list(range(len(S) + 1))\n\n        for s in S:\n            if s == 'I':\n                element = min(list1)\n                result.append(element)\n                list1.remove(element)\n            else:\n                element = max(list1)\n                result.append(element)\n                list1.remove(element)\n        result.extend(list1)\n        return result\n\n\n\"\"\"\n\u6267\u884c\u7528\u65f6\uff1a76 ms, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8673.40% \u7684\u7528\u6237\n\u5185\u5b58\u6d88\u8017\uff1a14.6 MB, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8616.67% \u7684\u7528\u6237\n\u89e3\u9898\u601d\u8def\uff1a\n    \u7531\u4e8e\u672c\u9898\u4e2d \u9700\u8981\u5b58\u5165\u7684\u5143\u7d20\u662f\u8fde\u7eed\u7684\uff0c\u6240\u4ee5\u76f4\u63a5\u5b9a\u4e49\u4fe9\u4e2a\u53d8\u91cf\u5b58\u50a8\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\uff0c\u7701\u53bb\u5217\u8868\u6b65\u9aa4\n\"\"\"\nclass Solution:\n    def diStringMatch(self, S: str) -&gt; List[int]:\n        result = []\n        min_, max_ = 0, len(S)\n        for s in S:\n            if s == 'I':\n                result.append(min_)\n                min_ += 1\n            else:\n                result.append(max_)\n                max_ -= 1\n        result.append(min_)\n        return result\n\n<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7ed9\u5b9a\u53ea\u542b&nbsp;&#8220;I&#8221;\uff08\u589e\u5927\uff09\u6216 &#8220;D&#8221;\uff08\u51cf\u5c0f\uff09\u7684\u5b57\u7b26\u4e32&nbsp;S&nbsp;\uff0c\u4ee4&nbsp;N = &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/403"}],"collection":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=403"}],"version-history":[{"count":1,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/403\/revisions"}],"predecessor-version":[{"id":404,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/403\/revisions\/404"}],"wp:attachment":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=403"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}