{"id":901,"date":"2023-07-23T10:02:23","date_gmt":"2023-07-23T10:02:23","guid":{"rendered":"https:\/\/blog.liuyingjie.com.cn\/?p=901"},"modified":"2026-02-25T11:48:54","modified_gmt":"2026-02-25T11:48:54","slug":"27-%e7%a7%bb%e9%99%a4%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/blog.liuyingjie.com.cn\/?p=901","title":{"rendered":"27. \u79fb\u9664\u5143\u7d20"},"content":{"rendered":"\n<p>\u65b9\u6cd5\u4e00\u3001\u53cc\u6307\u9488<\/p>\n\n\n\n<p>\u9898\u76ee\u8981\u6c42\u5220\u9664\u6570\u7ec4\u4e2d\u7b49\u4e8e<code>val<\/code>\u7684\u6240\u4ee5\u5143\u7d20\uff0c\u8f93\u51fa\u6570\u7ec4\u7684\u957f\u5ea6\u5c0f\u4e8e\u6216\u7b49\u4e8e\u8f93\u5165\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u56e0\u6b64\u6211\u4eec\u5c31\u53ef\u4ee5\u628a\u8f93\u51fa\u6570\u7ec4\u5199\u5728\u8f93\u5165\u6570\u7ec4\u4e0a\u3002\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u53cc\u6307\u9488\uff1a\u53f3\u6307\u9488<code>i<\/code>\u6307\u5411\u5f53\u524d\u5904\u7406\u7684\u6570\u7ec4\u5143\u7d20\uff0c\u5de6\u6307\u9488<code>cover_pointer<\/code>\u6307\u5411\u4e0b\u4e00\u4e2a\u5c06\u8981\u8d4b\u503c\u7684\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u53f3\u6307\u9488\u6307\u5411\u7684\u5f53\u524d\u5143\u7d20\u4e0d\u7b49\u4e8e<code>val<\/code>\uff0c<code>nums[i]<\/code>\u8f93\u51fa\u4e00\u4e2a\u5143\u7d20\uff0c\u6211\u4eec\u5c31\u5c06\u5f53\u524d\u5143\u7d20\u4e0d\u7b49\u4e8e<code>val<\/code>\u503c\uff0c\u5219\u590d\u5236\u5230\u8986\u76d6\u6307\u9488\u6307\u5411\u7684\u4f4d\u7f6e\uff0c\u5e76\u5411\u540e\u79fb\u52a8\u4e00\u4f4d\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u53f3\u6307\u9488\u6307\u5411\u7684\u5f53\u524d\u5143\u7d20\u7b49\u4e8e<code>val<\/code>\uff0c\u4e0d\u80fd\u8f93\u51fa\u5230\u6570\u7ec4\u4e2d\u5de6\u6307\u9488\u4e0d\u52a8\uff0c\u5e76\u5c06\u53f3\u6307\u9488\u5411\u540e\u79fb\u52a8\u4e00\u4f4d\u3002<\/p>\n\n\n\n<p>Python3 \u4ee3\u7801\u9898\u89e3<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>class Solution:\n    def removeElement(self, nums: List&#91;int], val: int) -> int:\n        # \u521d\u59cb\u5316\u8986\u76d6\u6307\u9488\u548c\u6570\u7ec4\u957f\u5ea6\n        cover_pointer = 0\n        length = len(nums)\n        for i in range(length):\n            if nums&#91;i] != val:\n                # \u5982\u679c\u5f53\u524d\u5143\u7d20\u4e0d\u7b49\u4e8e\u521d\u59cb\u503c\uff0c\u5219\u590d\u5236\u5230\u8986\u76d6\u6307\u9488\u6307\u5411\u7684\u4f4d\u7f6e\n                nums&#91;cover_pointer] = nums&#91;i]\n                # \u8986\u76d6\u6307\u9488\u5411\u540e\u79fb\u52a8\u4e00\u4f4d\n                cover_pointer += 1\n        return cover_pointer<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/blog.liuyingjie.com.cn\/wp-content\/uploads\/2023\/07\/27.-\u79fb\u9664\u5143\u7d20.png\"><img decoding=\"async\" src=\"https:\/\/blog.liuyingjie.com.cn\/wp-content\/uploads\/2023\/07\/27.-\u79fb\u9664\u5143\u7d20.png\" alt=\"\"\/><\/a><\/figure>\n\n\n\n<p>Source: LeetCode\uff08The title reproduced in this blog is for personal study use only\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65b9\u6cd5\u4e00\u3001\u53cc\u6307\u9488 \u9898\u76ee\u8981\u6c42\u5220\u9664\u6570\u7ec4\u4e2d\u7b49\u4e8eval\u7684\u6240\u4ee5\u5143\u7d20\uff0c\u8f93\u51fa\u6570\u7ec4\u7684\u957f\u5ea6\u5c0f\u4e8e\u6216\u7b49\u4e8e\u8f93\u5165\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u56e0\u6b64\u6211\u4eec\u5c31\u53ef\u4ee5 &hellip; <a href=\"https:\/\/blog.liuyingjie.com.cn\/?p=901\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">27. \u79fb\u9664\u5143\u7d20<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-901","post","type-post","status-publish","format-standard","hentry","category-leetcode"],"_links":{"self":[{"href":"https:\/\/blog.liuyingjie.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/901","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.liuyingjie.com.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.liuyingjie.com.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.liuyingjie.com.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.liuyingjie.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=901"}],"version-history":[{"count":17,"href":"https:\/\/blog.liuyingjie.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/901\/revisions"}],"predecessor-version":[{"id":1257,"href":"https:\/\/blog.liuyingjie.com.cn\/index.php?rest_route=\/wp\/v2\/posts\/901\/revisions\/1257"}],"wp:attachment":[{"href":"https:\/\/blog.liuyingjie.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.liuyingjie.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=901"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.liuyingjie.com.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}