{"id":509,"date":"2020-09-26T10:50:19","date_gmt":"2020-09-26T02:50:19","guid":{"rendered":"http:\/\/39.96.58.60\/?p=509"},"modified":"2022-10-18T16:39:03","modified_gmt":"2022-10-18T08:39:03","slug":"leetcode-3-%e6%97%a0%e9%87%8d%e5%a4%8d%e5%ad%97%e7%ac%a6%e7%9a%84%e6%9c%80%e9%95%bf%e5%ad%90%e4%b8%b2","status":"publish","type":"post","link":"http:\/\/www.yatenglg.cn\/blog\/?p=509","title":{"rendered":"Leetcode 3. \u65e0\u91cd\u590d\u5b57\u7b26\u7684\u6700\u957f\u5b50\u4e32"},"content":{"rendered":"<p>\u7ed9\u5b9a\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u8bf7\u4f60\u627e\u51fa\u5176\u4e2d\u4e0d\u542b\u6709\u91cd\u590d\u5b57\u7b26\u7684&nbsp;<strong>\u6700\u957f\u5b50\u4e32&nbsp;<\/strong>\u7684\u957f\u5ea6\u3002<\/p>\n<p><strong>\u793a\u4f8b&nbsp;1:<\/strong><\/p>\n<pre><strong>\u8f93\u5165: <\/strong>\"abcabcbb\"\n\n<strong>\u8f93\u51fa: <\/strong>3 \n\n<strong>\u89e3\u91ca:<\/strong> \u56e0\u4e3a\u65e0\u91cd\u590d\u5b57\u7b26\u7684\u6700\u957f\u5b50\u4e32\u662f <code>\"abc\"\uff0c\u6240\u4ee5\u5176<\/code>\u957f\u5ea6\u4e3a 3\u3002\n\n<\/pre>\n<p><strong>\u793a\u4f8b 2:<\/strong><\/p>\n<pre><strong>\u8f93\u5165: <\/strong>\"bbbbb\"\n\n<strong>\u8f93\u51fa: <\/strong>1\n\n<strong>\u89e3\u91ca: <\/strong>\u56e0\u4e3a\u65e0\u91cd\u590d\u5b57\u7b26\u7684\u6700\u957f\u5b50\u4e32\u662f <code>\"b\"<\/code>\uff0c\u6240\u4ee5\u5176\u957f\u5ea6\u4e3a 1\u3002\n\n<\/pre>\n<p><strong>\u793a\u4f8b 3:<\/strong><\/p>\n<pre><strong>\u8f93\u5165: <\/strong>\"pwwkew\"\n\n<strong>\u8f93\u51fa: <\/strong>3\n\n<strong>\u89e3\u91ca: <\/strong>\u56e0\u4e3a\u65e0\u91cd\u590d\u5b57\u7b26\u7684\u6700\u957f\u5b50\u4e32\u662f&nbsp;<code>\"wke\"<\/code>\uff0c\u6240\u4ee5\u5176\u957f\u5ea6\u4e3a 3\u3002\n\n&nbsp;    \u8bf7\u6ce8\u610f\uff0c\u4f60\u7684\u7b54\u6848\u5fc5\u987b\u662f <strong>\u5b50\u4e32 <\/strong>\u7684\u957f\u5ea6\uff0c<code>\"pwke\"<\/code>&nbsp;\u662f\u4e00\u4e2a<em>\u5b50\u5e8f\u5217\uff0c<\/em>\u4e0d\u662f\u5b50\u4e32\u3002\n\n<\/pre>\n<p>**\u96be\u5ea6**: Medium<\/p>\n<p>**\u6807\u7b7e**: \u54c8\u5e0c\u8868\u3001 \u53cc\u6307\u9488\u3001 \u5b57\u7b26\u4e32\u3001 None\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\uff1a72 ms, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e8682.59% \u7684\u7528\u6237\n\u5185\u5b58\u6d88\u8017\uff1a13.7 MB, \u5728\u6240\u6709 Python3 \u63d0\u4ea4\u4e2d\u51fb\u8d25\u4e865.88%\n\n\u89e3\u9898\u601d\u8def\uff1a\n    \u53cc\u6307\u9488\uff0c\u4e00\u4e2a\u904d\u5386\u5b57\u7b26\u4e32\uff0c\u4e00\u4e2a\u8bb0\u5f55\u5f53\u524d\u5b50\u4e32\u8d77\u59cb\u70b9\u3002\n    \u4f7f\u7528\u5b57\u5178\u5b58\u653e\u5b57\u7b26\u4e32\u5143\u7d20\uff0c\n    \u82e5\u5143\u7d20\u91cd\u590d\uff1a\n        \u66f4\u65b0\u5b50\u4e32\u8d77\u59cb\u70b9\n        \u5b57\u5178\u66f4\u65b0\u5143\u7d20\u4e0b\u6807\n        \u8ba1\u7b97\u6700\u5927\u5b50\u4e32\u957f\u5ea6\n    \u82e5\u4e0d\u91cd\u590d\uff1a\n        \u5b57\u5178\u767b\u8bb0\u5143\u7d20\uff0c\u8bb0\u5f55\u4e0b\u6807\n        \u66f4\u65b0\u6700\u5927\u5b50\u4e32\u957f\u5ea6\n\"\"\"\n\nclass Solution:\n    def lengthOfLongestSubstring(self, s: str) -&gt; int:\n        start_, max_ = -1, 0\n        record = {}\n        for i, v in enumerate(s):\n            if v not in record:\n                record[v] = i\n                max_ = max(i - start_, max_)\n            else:\n                start_ = max(record[v], start_)\n                record[v] = i\n                max_ = max(i - start_, max_)\n        return max_\n\n\n<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7ed9\u5b9a\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u8bf7\u4f60\u627e\u51fa\u5176\u4e2d\u4e0d\u542b\u6709\u91cd\u590d\u5b57\u7b26\u7684&nbsp;\u6700\u957f\u5b50\u4e32&nbsp;\u7684\u957f\u5ea6\u3002 \u793a\u4f8b&nbsp;1: \u8f93&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","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\/509"}],"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=509"}],"version-history":[{"count":1,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/509\/revisions"}],"predecessor-version":[{"id":510,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/509\/revisions\/510"}],"wp:attachment":[{"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=509"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.yatenglg.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}