{"id":64404,"date":"2025-05-03T13:38:06","date_gmt":"2025-05-03T05:38:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64404\/"},"modified":"2025-05-03T13:38:06","modified_gmt":"2025-05-03T05:38:06","slug":"leetcode-%e9%a1%b6%e7%ba%a7%e8%ae%bf%e8%b0%88-%e5%88%a0%e9%99%a4%e5%85%83%e7%b4%a0-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64404\/","title":{"rendered":"Leetcode \u2014 \u9876\u7ea7\u8bbf\u8c08 \u2014 \u5220\u9664\u5143\u7d20"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173059509197276.jpg\" class=\"aligncenter\" title=\"Leetcode \u2014 \u9876\u7ea7\u8bbf\u8c08 \u2014 \u5220\u9664\u5143\u7d20\u63d2\u56fe\" alt=\"Leetcode \u2014 \u9876\u7ea7\u8bbf\u8c08 \u2014 \u5220\u9664\u5143\u7d20\u63d2\u56fe\" \/><\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u95ee\u9898\uff0c\u5305\u62ec\uff1a<\/p>\n<blockquote><p>\n  \u7ed9\u5b9a\u4e00\u4e2a\u6574\u6570\u6570\u7ec4 nums \u548c\u4e00\u4e2a\u6574\u6570 val\uff0c\u5c31\u5730\u5220\u9664 nums \u4e2d\u6240\u6709\u51fa\u73b0\u7684 val\u3002\u5143\u7d20\u7684\u987a\u5e8f\u53ef\u4ee5\u6539\u53d8\u3002\u7136\u540e\u8fd4\u56denums\u4e2d\u4e0d\u7b49\u4e8eval\u7684\u5143\u7d20\u4e2a\u6570\u3002 \u8003\u8651 nums \u4e2d\u4e0d\u7b49\u4e8e val \u7684\u5143\u7d20\u6570\u91cf\u4e3a k\uff0c\u8981\u88ab\u63a5\u53d7\uff0c\u60a8\u9700\u8981\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a \u66f4\u6539\u6570\u7ec4 nums\uff0c\u4f7f nums \u7684\u524d k \u4e2a\u5143\u7d20\u5305\u542b\u4e0d\u7b49\u4e8e val \u7684\u5143\u7d20\u3002 nums \u7684\u5176\u4f59\u5143\u7d20\u4ee5\u53ca nums \u7684\u5927\u5c0f\u5e76\u4e0d\u91cd\u8981\u3002 \u8fd4\u56de k. \u81ea\u5b9a\u4e49\u6cd5\u5b98\uff1a \u6cd5\u5b98\u5c06\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6d4b\u8bd5\u60a8\u7684\u89e3\u51b3\u65b9\u6848\uff1a int[] nums = [&#8230;]; \/\/ \u8f93\u5165\u6570\u7ec4 int val = &#8230;; \/\/ \u8981\u5220\u9664\u7684\u503c int[] \u9884\u671f\u6570\u91cf = [&#8230;]; \/\/ \u5177\u6709\u6b63\u786e\u957f\u5ea6\u7684\u9884\u671f\u7b54\u6848\u3002 \/\/ \u5b83\u5df2\u6392\u5e8f\uff0c\u6ca1\u6709\u503c\u7b49\u4e8e val\u3002 int k = removeelement(nums, val); \/\/ \u8c03\u7528\u60a8\u7684\u5b9e\u73b0 \u65ad\u8a00 k == expectednums.length; \u6392\u5e8f\uff08\u6570\u5b57\uff0c0\uff0ck\uff09\uff1b \/\/ \u5bf9 nums \u7684\u524d k \u4e2a\u5143\u7d20\u8fdb\u884c\u6392\u5e8f for (int i = 0; i <\/p>\n<p>\u5728\u8fd9\u4e2a\u95ee\u9898\u4e2d\uff0c\u4f60\u5fc5\u987b\u8fed\u4ee3\u6570\u7ec4\u5e76\u8bc6\u522b\u503c\uff0c\u5e76\u5c06\u5176\u4ece nums \u4e2d\u5220\u9664\u3002<\/p>\n<p>\u4e4d\u4e00\u770b\u4f60\u53ef\u80fd\u4f1a\u8ba4\u4e3a\u53e6\u4e00\u4e2a\u6570\u7ec4\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f46\u540e\u6765\u4f60\u5c06\u4e0d\u5f97\u4e0d\u8fdb\u884c\u53e6\u4e00\u6b21\u8fed\u4ee3\u6765\u8bbe\u7f6e\u503c\uff08\u76f4\u63a5\u8bbe\u7f6e\u662f\u884c\u4e0d\u901a\u7684\uff0c\u56e0\u4e3ajava\u4e0d\u4f1a\u66f4\u65b0\u65b9\u6cd5\u53d8\u91cf\u5f15\u7528\uff0c\u8fd9\u610f\u5473\u7740\u5728\u65b9\u6cd5\u5185\u90e8\u770b\u8d77\u6765\u50cf\u662f\u53d1\u751f\u4e86\u53d8\u5316\uff0c\u4f46\u4e00\u65e6\u8d85\u51fa\u65b9\u6cd5\uff0c\u5b83\u5c31\u4f1a\u4fdd\u7559\u65e7\u7684\u5f15\u7528\uff09\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0d\u4f73\u3002<\/p>\n<p>\u7531\u4e8e\u9664\u4e86\u4e0d\u540c\u7684\u503c\u4e4b\u5916\uff0c\u6700\u7ec8\u7ed3\u679c\u4e0d\u4f9d\u8d56\u4e8e\u4efb\u4f55\u5176\u4ed6\u64cd\u4f5c\uff0c\u56e0\u6b64\u53ef\u4ee5\u7b80\u5355\u5730\u4fdd\u7559\u7d22\u5f15\u5e76\u66f4\u65b0\u503c\uff0c\u56e0\u4e3a\u60a8\u53d1\u73b0\u5b83\u4eec\u4e0e var \u4e0d\u540c\uff0c\u5e76\u4e14\u4e5f\u4f7f\u7528\u4e0e\u89e3\u51b3\u65b9\u6848\u76f8\u540c\u7684\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n<pre>class Solution {\n    public int removeElement(int[] nums, int val) {\n        int diffIndex = 0;\n        for(int i=0;i&lt;nums.length;i++) {\n            if(nums[i] != val)  {\n                nums[diffIndex] = nums[i];\n                diffIndex++;\n            }\n        }\n        return diffIndex;\n    }\n}\n<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<blockquote>\n<p>\u8fd0\u884c\u65f6\u95f4\uff1a0 \u6beb\u79d2\uff0c\u6bd4 100.00% java \u5728\u7ebf\u63d0\u4ea4\u7684\u79fb\u9664\u5143\u7d20\u8981\u5feb\u3002<br \/> \u5185\u5b58\u4f7f\u7528\u91cf\uff1a42 mb\uff0c\u4f4e\u4e8e java \u5728\u7ebf\u63d0\u4ea4\u7684\u79fb\u9664\u5143\u7d20\u7684 31.68%\u3002<\/p>\n<\/blockquote>\n<p>\u2014<\/p>\n<p>\u5c31\u662f\u8fd9\u6837\uff01\u5982\u679c\u8fd8\u6709\u4ec0\u4e48\u8981\u8ba8\u8bba\u7684\uff0c\u8bf7\u968f\u65f6\u53d1\u8868\u8bc4\u8bba\uff0c\u5982\u679c\u6211\u9519\u8fc7\u4e86\u4efb\u4f55\u5185\u5bb9\uff0c\u8bf7\u544a\u8bc9\u6211\uff0c\u4ee5\u4fbf\u6211\u8fdb\u884c\u76f8\u5e94\u66f4\u65b0\u3002<\/p>\n<p>\u76f4\u5230\u4e0b\u4e00\u7bc7\u6587\u7ae0\uff01 \ud83d\ude42<\/p>\n<\/blockquote>\n<p>\u4ee5\u4e0a\u5c31\u662fLeetcode \u2014 \u9876\u7ea7\u8bbf\u8c08 \u2014 \u5220\u9664\u5143\u7d20\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u95ee\u9898\uff0c\u5305\u62ec\uff1a \u7ed9\u5b9a\u4e00\u4e2a\u6574\u6570\u6570\u7ec4 nums \u548c\u4e00\u4e2a\u6574\u6570 val\uff0c\u5c31\u5730\u5220\u9664 nums \u4e2d\u6240\u6709\u51fa\u73b0\u7684 val\u3002\u5143\u7d20\u7684\u987a\u5e8f\u53ef\u4ee5\u6539\u53d8\u3002\u7136\u540e\u8fd4\u56denums\u4e2d\u4e0d\u7b49\u4e8eval\u7684\u5143\u7d20\u4e2a\u6570\u3002 \u8003\u8651 nums \u4e2d\u4e0d\u7b49\u4e8e val \u7684\u5143\u7d20\u6570\u91cf\u4e3a k\uff0c\u8981\u88ab\u63a5\u53d7\uff0c\u60a8\u9700\u8981\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a \u66f4\u6539\u6570\u7ec4 nums\uff0c\u4f7f nums \u7684\u524d k \u4e2a\u5143\u7d20\u5305\u542b\u4e0d\u7b49\u4e8e val \u7684\u5143\u7d20\u3002 nums \u7684\u5176\u4f59\u5143\u7d20\u4ee5\u53ca nums \u7684\u5927\u5c0f\u5e76\u4e0d\u91cd\u8981\u3002 \u8fd4\u56de k. \u81ea\u5b9a\u4e49\u6cd5\u5b98\uff1a \u6cd5\u5b98\u5c06\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6d4b\u8bd5\u60a8\u7684\u89e3\u51b3\u65b9\u6848\uff1a int[] nums = [&#8230;]; \/\/ \u8f93\u5165\u6570\u7ec4 int val = &#8230;; \/\/ \u8981\u5220\u9664\u7684\u503c int[] \u9884\u671f\u6570\u91cf = [&#8230;]; \/\/ \u5177\u6709\u6b63\u786e\u957f\u5ea6\u7684\u9884\u671f\u7b54\u6848\u3002 \/\/ \u5b83\u5df2\u6392\u5e8f\uff0c\u6ca1\u6709\u503c\u7b49\u4e8e val\u3002 int k = removeelement(nums, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-64404","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=64404"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64404\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}