{"id":2092,"date":"2022-01-15T21:09:44","date_gmt":"2022-01-15T13:09:44","guid":{"rendered":"http:\/\/139.9.1.231\/?p=2092"},"modified":"2022-01-15T21:09:46","modified_gmt":"2022-01-15T13:09:46","slug":"leetcodeday26","status":"publish","type":"post","link":"http:\/\/139.9.1.231\/index.php\/2022\/01\/15\/leetcodeday26\/","title":{"rendered":"leetcodeday26 &#8211;\u5220\u9664\u6709\u5e8f\u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u9879"},"content":{"rendered":"\n<p>\u7ed9\u4f60\u4e00\u4e2a\u6709\u5e8f\u6570\u7ec4&nbsp;<code>nums<\/code>&nbsp;\uff0c\u8bf7\u4f60<strong><a href=\"http:\/\/baike.baidu.com\/item\/%E5%8E%9F%E5%9C%B0%E7%AE%97%E6%B3%95\">&nbsp;\u539f\u5730<\/a><\/strong>&nbsp;\u5220\u9664\u91cd\u590d\u51fa\u73b0\u7684\u5143\u7d20\uff0c\u4f7f\u6bcf\u4e2a\u5143\u7d20&nbsp;<strong>\u53ea\u51fa\u73b0\u4e00\u6b21<\/strong>&nbsp;\uff0c\u8fd4\u56de\u5220\u9664\u540e\u6570\u7ec4\u7684\u65b0\u957f\u5ea6\u3002<\/p>\n\n\n\n<p>\u4e0d\u8981\u4f7f\u7528\u989d\u5916\u7684\u6570\u7ec4\u7a7a\u95f4\uff0c\u4f60\u5fc5\u987b\u5728&nbsp;<strong><a href=\"https:\/\/baike.baidu.com\/item\/%E5%8E%9F%E5%9C%B0%E7%AE%97%E6%B3%95\">\u539f\u5730&nbsp;<\/a>\u4fee\u6539\u8f93\u5165\u6570\u7ec4&nbsp;<\/strong>\u5e76\u5728\u4f7f\u7528 O(1) \u989d\u5916\u7a7a\u95f4\u7684\u6761\u4ef6\u4e0b\u5b8c\u6210\u3002<\/p>\n\n\n\n<p><strong>\u8bf4\u660e:<\/strong><\/p>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\u8fd4\u56de\u6570\u503c\u662f\u6574\u6570\uff0c\u4f46\u8f93\u51fa\u7684\u7b54\u6848\u662f\u6570\u7ec4\u5462?<\/p>\n\n\n\n<p>\u8bf7\u6ce8\u610f\uff0c\u8f93\u5165\u6570\u7ec4\u662f\u4ee5<strong>\u300c\u5f15\u7528\u300d<\/strong>\u65b9\u5f0f\u4f20\u9012\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5728\u51fd\u6570\u91cc\u4fee\u6539\u8f93\u5165\u6570\u7ec4\u5bf9\u4e8e\u8c03\u7528\u8005\u662f\u53ef\u89c1\u7684\u3002<\/p>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u60f3\u8c61\u5185\u90e8\u64cd\u4f5c\u5982\u4e0b:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\/\/ <strong>nums<\/strong> \u662f\u4ee5\u201c\u5f15\u7528\u201d\u65b9\u5f0f\u4f20\u9012\u7684\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u4e0d\u5bf9\u5b9e\u53c2\u505a\u4efb\u4f55\u62f7\u8d1d\nint len = removeDuplicates(nums);\n\n\/\/ \u5728\u51fd\u6570\u91cc\u4fee\u6539\u8f93\u5165\u6570\u7ec4\u5bf9\u4e8e\u8c03\u7528\u8005\u662f\u53ef\u89c1\u7684\u3002\n\/\/ \u6839\u636e\u4f60\u7684\u51fd\u6570\u8fd4\u56de\u7684\u957f\u5ea6, \u5b83\u4f1a\u6253\u5370\u51fa\u6570\u7ec4\u4e2d<strong> \u8be5\u957f\u5ea6\u8303\u56f4\u5185<\/strong> \u7684\u6240\u6709\u5143\u7d20\u3002\nfor (int i = 0; i &lt; len; i++) {\n&nbsp; &nbsp; print(nums[i]);\n}\n<\/pre>\n\n\n\n<p><strong>\u793a\u4f8b 1\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>\u8f93\u5165\uff1a<\/strong>nums = [1,1,2]\n<strong>\u8f93\u51fa\uff1a<\/strong>2, nums = [1,2]\n<strong>\u89e3\u91ca\uff1a<\/strong>\u51fd\u6570\u5e94\u8be5\u8fd4\u56de\u65b0\u7684\u957f\u5ea6 <strong><code>2<\/code><\/strong> \uff0c\u5e76\u4e14\u539f\u6570\u7ec4 <em>nums <\/em>\u7684\u524d\u4e24\u4e2a\u5143\u7d20\u88ab\u4fee\u6539\u4e3a <strong><code>1<\/code><\/strong>, <strong><code>2 <\/code><\/strong><code>\u3002<\/code>\u4e0d\u9700\u8981\u8003\u8651\u6570\u7ec4\u4e2d\u8d85\u51fa\u65b0\u957f\u5ea6\u540e\u9762\u7684\u5143\u7d20\u3002\n<\/pre>\n\n\n\n<p><strong>\u793a\u4f8b 2\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><strong>\u8f93\u5165\uff1a<\/strong>nums = [0,0,1,1,1,2,2,3,3,4]\n<strong>\u8f93\u51fa\uff1a<\/strong>5, nums = [0,1,2,3,4]\n<strong>\u89e3\u91ca\uff1a<\/strong>\u51fd\u6570\u5e94\u8be5\u8fd4\u56de\u65b0\u7684\u957f\u5ea6 <strong><code>5<\/code><\/strong> \uff0c \u5e76\u4e14\u539f\u6570\u7ec4 <em>nums <\/em>\u7684\u524d\u4e94\u4e2a\u5143\u7d20\u88ab\u4fee\u6539\u4e3a <strong><code>0<\/code><\/strong>, <strong><code>1<\/code><\/strong>, <strong><code>2<\/code><\/strong>, <strong><code>3<\/code><\/strong>, <strong><code>4<\/code><\/strong> \u3002\u4e0d\u9700\u8981\u8003\u8651\u6570\u7ec4\u4e2d\u8d85\u51fa\u65b0\u957f\u5ea6\u540e\u9762\u7684\u5143\u7d20\u3002\n<\/pre>\n\n\n\n<p><strong>\u63d0\u793a\uff1a<\/strong><\/p>\n\n\n\n<ul><li><code>0 &lt;= nums.length &lt;= 3 * 10<sup>4<\/sup><\/code><\/li><li><code>-10<sup>4<\/sup>&nbsp;&lt;= nums[i] &lt;= 10<sup>4<\/sup><\/code><\/li><li><code>nums<\/code>&nbsp;\u5df2\u6309\u5347\u5e8f\u6392\u5217<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>#\r\n# @lc app=leetcode.cn id=26 lang=python3\r\n#\r\n# &#91;26] \u5220\u9664\u6709\u5e8f\u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u9879\r\n#\r\n\r\n# @lc code=start\r\nclass Solution:\r\n    def removeDuplicates(self, nums: List&#91;int]) -> int:\r\n        nums.append(10**4+1)\r\n        j=0\r\n        for i in range(len(nums)-1):\r\n            if nums&#91;i]==nums&#91;i+1]:\r\n                continue\r\n            else:\r\n                nums&#91;j]=nums&#91;i]\r\n                j=j+1\r\n        return j\r\n# @lc code=end<\/code><\/pre>\n\n\n\n<div class=\"wp-block-image is-style-default\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" src=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/01\/image-230.png\" alt=\"\" class=\"wp-image-2094\" width=\"596\" height=\"124\" srcset=\"http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/01\/image-230.png 770w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/01\/image-230-300x63.png 300w, http:\/\/139.9.1.231\/wp-content\/uploads\/2022\/01\/image-230-768x161.png 768w\" sizes=\"(max-width: 596px) 100vw, 596px\" \/><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7ed9\u4f60\u4e00\u4e2a\u6709\u5e8f\u6570\u7ec4&nbsp;nums&nbsp;\uff0c\u8bf7\u4f60&nbsp;\u539f\u5730&nbsp;\u5220\u9664\u91cd\u590d\u51fa\u73b0\u7684\u5143\u7d20\uff0c\u4f7f\u6bcf\u4e2a\u5143 &hellip; <a href=\"http:\/\/139.9.1.231\/index.php\/2022\/01\/15\/leetcodeday26\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">leetcodeday26 &#8211;\u5220\u9664\u6709\u5e8f\u6570\u7ec4\u4e2d\u7684\u91cd\u590d\u9879<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[],"_links":{"self":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/2092"}],"collection":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/comments?post=2092"}],"version-history":[{"count":2,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/2092\/revisions"}],"predecessor-version":[{"id":2095,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/posts\/2092\/revisions\/2095"}],"wp:attachment":[{"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/media?parent=2092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/categories?post=2092"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/139.9.1.231\/index.php\/wp-json\/wp\/v2\/tags?post=2092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}