{"id":122718,"date":"2026-11-05T15:09:18","date_gmt":"2026-11-05T07:09:18","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/122718.html"},"modified":"2026-11-05T15:09:18","modified_gmt":"2026-11-05T07:09:18","slug":"deepseek-leetcode-524-%e9%80%9a%e8%bf%87%e5%88%a0%e9%99%a4%e5%ad%97%e6%af%8d%e5%8c%b9%e9%85%8d%e5%88%b0%e5%ad%97%e5%85%b8%e9%87%8c%e6%9c%80%e9%95%bf%e5%8d%95%e8%af%8d-java%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/122718.html","title":{"rendered":"DeepSeek    LeetCode 524. \u901a\u8fc7\u5220\u9664\u5b57\u6bcd\u5339\u914d\u5230\u5b57\u5178\u91cc\u6700\u957f\u5355\u8bcd Java\u5b9e\u73b0"},"content":{"rendered":"<p>                    <span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">List<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">findLongestWord<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> s<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> dictionary<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> word <span class=\"token operator\">:<\/span> dictionary<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ea\u6709\u80fd\u4f5c\u4e3a s \u7684\u5b50\u5e8f\u5217&#xff0c;\u624d\u53ef\u80fd\u901a\u8fc7\u5220\u9664\u5b57\u6bcd\u5f97\u5230<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">isSubsequence<\/span><span class=\"token punctuation\">(<\/span>word<span class=\"token punctuation\">,<\/span> s<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u66f4\u957f\u7684\u4f18\u5148&#xff1b;\u957f\u5ea6\u76f8\u540c\u53d6\u5b57\u5178\u5e8f\u66f4\u5c0f\u7684<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>word<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> result<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token operator\">||<\/span> <span class=\"token punctuation\">(<\/span>word<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> result<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> word<span class=\"token punctuation\">.<\/span><span class=\"token function\">compareTo<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    result <span class=\"token operator\">&#061;<\/span> word<span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> result<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5224\u65ad word \u662f\u5426\u4e3a s \u7684\u5b50\u5e8f\u5217<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">isSubsequence<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> word<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> s<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> j <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&lt;<\/span> word<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> j <span class=\"token operator\">&lt;<\/span> s<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>word<span class=\"token punctuation\">.<\/span><span class=\"token function\">charAt<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> s<span class=\"token punctuation\">.<\/span><span class=\"token function\">charAt<\/span><span class=\"token punctuation\">(<\/span>j<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            j<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> i <span class=\"token operator\">&#061;&#061;<\/span> word<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u601d\u8def<\/p>\n<p>\u9898\u76ee\u672c\u8d28\u662f&#xff1a;\u5728\u5b57\u5178\u4e2d\u627e\u51fa\u6240\u6709\u662f s \u7684\u5b50\u5e8f\u5217\u7684\u5355\u8bcd&#xff0c;\u5728\u8fd9\u4e9b\u5355\u8bcd\u4e2d\u8fd4\u56de\u957f\u5ea6\u6700\u5927\u7684&#xff1b;\u82e5\u957f\u5ea6\u76f8\u540c&#xff0c;\u8fd4\u56de\u5b57\u5178\u5e8f\u6700\u5c0f\u7684\u3002<\/p>\n<li>\u904d\u5386\u5b57\u5178\u4e2d\u7684\u6bcf\u4e2a\u5355\u8bcd&#xff0c;\u7528\u53cc\u6307\u9488\u5224\u65ad\u5b83\u662f\u5426\u4e3a s \u7684\u5b50\u5e8f\u5217&#xff1b;<\/li>\n<li>\u662f\u5b50\u5e8f\u5217\u5219\u4e0e\u5f53\u524d\u7b54\u6848\u6bd4\u8f83&#xff1a;<br \/>\n\u00b7 \u957f\u5ea6\u66f4\u957f\u5219\u66f4\u65b0&#xff1b;<br \/>\n\u00b7 \u957f\u5ea6\u76f8\u540c\u5219\u6bd4\u8f83\u5b57\u5178\u5e8f&#xff0c;\u53d6\u8f83\u5c0f\u7684&#xff1b;<\/li>\n<li>\u904d\u5386\u7ed3\u675f\u8fd4\u56de\u7b54\u6848&#xff0c;\u82e5\u6ca1\u6709\u5408\u6cd5\u5355\u8bcd\u5219\u8fd4\u56de\u7a7a\u5b57\u7b26\u4e32 \u201c\u201d\u3002<\/li>\n<p>\u6392\u5e8f\u4f18\u5316\u7248\u672c<\/p>\n<p>\u4e5f\u53ef\u4ee5\u5148\u6309\u201c\u957f\u5ea6\u964d\u5e8f\u3001\u5b57\u5178\u5e8f\u5347\u5e8f\u201d\u6392\u5e8f&#xff0c;\u8fd4\u56de\u7b2c\u4e00\u4e2a\u5b50\u5e8f\u5217\u5339\u914d\u7684\u5355\u8bcd&#xff0c;\u903b\u8f91\u66f4\u76f4\u89c2&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">List<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Solution<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">findLongestWord<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> s<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> dictionary<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        dictionary<span class=\"token punctuation\">.<\/span><span class=\"token function\">sort<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span><br \/>\n                a<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> b<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">?<\/span> b<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> a<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> a<span class=\"token punctuation\">.<\/span><span class=\"token function\">compareTo<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> word <span class=\"token operator\">:<\/span> dictionary<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">isSubsequence<\/span><span class=\"token punctuation\">(<\/span>word<span class=\"token punctuation\">,<\/span> s<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> word<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token string\">&#034;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">isSubsequence<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> word<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> s<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> j <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&lt;<\/span> word<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> j <span class=\"token operator\">&lt;<\/span> s<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>word<span class=\"token punctuation\">.<\/span><span class=\"token function\">charAt<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> s<span class=\"token punctuation\">.<\/span><span class=\"token function\">charAt<\/span><span class=\"token punctuation\">(<\/span>j<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            j<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> i <span class=\"token operator\">&#061;&#061;<\/span> word<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5173\u952e\u70b9<\/p>\n<p>\u00b7 \u5b50\u5e8f\u5217\u5224\u5b9a&#xff1a;\u53ea\u9700\u4fdd\u6301\u4e24\u4e2a\u6307\u9488\u5355\u5411\u626b\u63cf&#xff0c;O(|word| &#043; |s|) \u65f6\u95f4\u3002<br \/>\n\u00b7 \u5b57\u5178\u5e8f\u6bd4\u8f83&#xff1a;String.compareTo \u8fd4\u56de\u503c\u5c0f\u4e8e 0 \u8868\u793a\u524d\u8005\u5b57\u5178\u5e8f\u66f4\u5c0f\u3002<br \/>\n\u00b7 \u76f8\u540c\u957f\u5ea6&#xff1a;\u5fc5\u987b\u6bd4\u8f83\u5b57\u5178\u5e8f&#xff0c;\u4e0d\u80fd\u968f\u4fbf\u8fd4\u56de\u4e00\u4e2a\u3002<br \/>\n\u00b7 \u6392\u5e8f\u4e0d\u80fd\u7b80\u5355\u5730\u53ea\u6309\u957f\u5ea6\u964d\u5e8f&#xff0c;\u56e0\u4e3a\u540c\u957f\u5ea6\u4e0b\u5b57\u5178\u5e8f\u8981\u6c42\u6700\u5c0f&#xff0c;\u6240\u4ee5\u8981\u6309 (\u957f\u5ea6\u964d\u5e8f, \u5b57\u5178\u5e8f\u5347\u5e8f) \u590d\u5408\u6392\u5e8f\u3002<\/p>\n<p>\u590d\u6742\u5ea6<\/p>\n<p>\u00b7 \u65f6\u95f4\u590d\u6742\u5ea6&#xff1a;O(d * L)&#xff0c;\u5176\u4e2d d \u4e3a\u5b57\u5178\u5927\u5c0f&#xff0c;L &#061; |s| &#043; \u6700\u957f\u5355\u8bcd\u957f\u5ea6&#xff1b;\u6392\u5e8f\u7248\u672c\u989d\u5916\u6709 O(d log d) \u7684\u6392\u5e8f\u5f00\u9500\u3002<br \/>\n\u00b7 \u7a7a\u95f4\u590d\u6742\u5ea6&#xff1a;O(1)&#xff08;\u4e0d\u8ba1\u8f93\u5165&#xff09;&#xff0c;\u6392\u5e8f\u7248\u672c\u4e3a O(log d) \u6808\u7a7a\u95f4\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/11\/20261105070915-6aec2b9bc4bc1.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>import java.util.List;class Solution {public String findLongestWord(String s, List dictionary) {String result  \\&#8221;\\&#8221;;for (String word : dictionary) {\/\/ \u53ea\u6709\u80fd\u4f5c\u4e3a s \u7684\u5b50\u5e8f\u5217&#xff0c;\u624d\u53ef\u80fd\u901a\u8fc7\u5220\u9664\u5b57\u6bcd\u5f97\u5230if (isSubsequence(word, s)) {\/\/ \u66f4\u957f\u7684\u4f18\u5148&#xff1b;\u957f\u5ea6\u76f8\u540c\u53d6\u5b57\u5178<\/p>\n","protected":false},"author":2,"featured_media":122717,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99,2692,292,1813,427],"topic":[],"class_list":["post-122718","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-java","tag-leetcode","tag-292","tag-1813","tag-427"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>DeepSeek  LeetCode 524. \u901a\u8fc7\u5220\u9664\u5b57\u6bcd\u5339\u914d\u5230\u5b57\u5178\u91cc\u6700\u957f\u5355\u8bcd Java\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/122718.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DeepSeek  LeetCode 524. \u901a\u8fc7\u5220\u9664\u5b57\u6bcd\u5339\u914d\u5230\u5b57\u5178\u91cc\u6700\u957f\u5355\u8bcd Java\u5b9e\u73b0 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"import java.util.List;class Solution {public String findLongestWord(String s, List dictionary) {String result &quot;&quot;;for (String word : dictionary) {\/\/ \u53ea\u6709\u80fd\u4f5c\u4e3a s \u7684\u5b50\u5e8f\u5217&#xff0c;\u624d\u53ef\u80fd\u901a\u8fc7\u5220\u9664\u5b57\u6bcd\u5f97\u5230if (isSubsequence(word, s)) {\/\/ \u66f4\u957f\u7684\u4f18\u5148&#xff1b;\u957f\u5ea6\u76f8\u540c\u53d6\u5b57\u5178\" \/>\n<meta property=\"og:url\" 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