{"id":59,"date":"2021-01-10T13:15:39","date_gmt":"2021-01-10T05:15:39","guid":{"rendered":"https:\/\/fireinsect.top\/?p=59"},"modified":"2021-02-04T18:59:20","modified_gmt":"2021-02-04T10:59:20","slug":"%e6%95%b0%e7%bb%84%e4%b8%ad%e6%9f%90%e5%80%bc%e6%98%af%e5%90%a6%e9%87%8d%e5%a4%8d%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/fireinsect.top\/index.php\/2021\/01\/10\/%e6%95%b0%e7%bb%84%e4%b8%ad%e6%9f%90%e5%80%bc%e6%98%af%e5%90%a6%e9%87%8d%e5%a4%8d%e9%97%ae%e9%a2%98\/","title":{"rendered":"\u6570\u7ec4\u4e2d\u67d0\u503c\u662f\u5426\u91cd\u590d\u95ee\u9898"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code lang=\"java\" class=\"language-java line-numbers\">public static ArrayList&lt;Integer&gt; repeat(int[] array) {\n    ArrayList&lt;Integer&gt; result = new ArrayList&lt;&gt;();\n    int[] exists = new int[11];\n    for (int i = 0; i &lt; array.length; i++) {\n        int value = array[i];\n        \/\/ \u5982\u679c\u5f53\u524d\u4f4d\u7f6e\u5df2\u7ecf\u4e3a1\uff0c\u5219\u8868\u793a\u91cd\u590d\n        if (exists[value] == 1) {\n            result.add(value);\n        } else {\n            \/\/ \u5426\u5219\u5c06\u5f53\u524d\u4f4d\u7f6e\u8bbe\u7f6e\u4e3a1\n            exists[value] = 1;\n        }\n    }\n    return result;\n}\n<\/code><\/pre>\n\n\n\n<p>\u5206\u6790\uff1a<\/p>\n\n\n\n<p>\u5728\u660e\u786e\u6570\u7ec4\u4e2d\u6570\u662f\u6709\u4e00\u5b9a\u8303\u56f4\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u5148\u5b9a\u4e49\u53e6\u4e00\u4e2a\u6570\u7ec4exist<\/p>\n\n\n\n<p>\u8be5\u6570\u7ec4\u7684\u957f\u5ea6\u4e3a\u539f\u6570\u7ec4\u4e2d\u6570\u7684\u8303\u56f4\u3002<\/p>\n\n\n\n<p>\u521b\u5efa\u4e00\u4e2a\u6570\u7ec4result\u50a8\u5b58\u91cd\u590d\u503c<\/p>\n\n\n\n<p>\u904d\u5386\u4e00\u904d\u539f\u6570\u7ec4\uff0c\u6bcf\u904d\u5386\u5230\u4e00\u4e2a\u6570\u5c31\u628a\u5176exist\u5bf9\u5e94\u4f4d\u7f6e\uff08\u5982\u904d\u5386\u523010\u5219exist\u7684\u7b2c10\u4e2a\u4f4d\u7f6e\uff09\u7684\u4e66\u53d8\u4e3a1\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u518d\u6b21\u904d\u5386\u5230\u76f8\u540c\u7684\u6570\uff0c\u5224\u65ad\u5230exist\u5bf9\u5e94\u4f4d\u7f6e\u4e3a1\u5219\u4ee3\u8868\u6709\u91cd\u590d\u6570\u5e76\u8f93\u51fa\u8fdbresult\u6570\u7ec4<\/p>\n\n\n\n<p>\u6b64\u65b9\u6cd5\u53ef\u4ee5\u7528\u4e8estring<\/p>\n\n\n\n<p>\u5728\u4e00\u4e2astring\u4e2d<\/p>\n\n\n\n<p>\u5229\u7528string.charAt(int)\u6765\u83b7\u53d6\u6bcf\u4e2a\u4f4d\u7f6e\u7684\u5b57\u7b26<\/p>\n\n\n\n<p>\u5229\u7528\u76f8\u540c\u65b9\u6cd5\u521b\u5efa26\u4f4d\u7684\u6570\u7ec4<\/p>\n\n\n\n<p>\u5229\u7528\u540c\u6837\u7684\u65b9\u6cd5\u904d\u5386\u4e00\u904d<\/p>\n\n\n\n<p>\u6ce8\uff1a\u5728string\u65f6\u8981\u6ce8\u610fASCII\u4ee3\u7801\u8868\u793a\u7684\u2018a\u2019\u4e3a97\uff0c\u5728\u6570\u7ec4\u5bf9\u5e94\u4e0a\u8981\u51cf\u53bb97\u6216\u8005\u2018a\u2019\u5982exists[value-97]==1\u90e8\u5206<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u6790\uff1a \u5728\u660e\u786e\u6570\u7ec4\u4e2d\u6570\u662f\u6709\u4e00\u5b9a\u8303\u56f4\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u5148\u5b9a\u4e49\u53e6\u4e00\u4e2a\u6570\u7ec4exist \u8be5\u6570\u7ec4\u7684\u957f\u5ea6\u4e3a\u539f\u6570\u7ec4\u4e2d\u6570\u7684\u8303\u56f4\u3002  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[1,7],"tags":[],"class_list":["post-59","post","type-post","status-publish","format-standard","hentry","category-wcd","category-7"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/59"}],"collection":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/comments?post=59"}],"version-history":[{"count":2,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/59\/revisions"}],"predecessor-version":[{"id":93,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/59\/revisions\/93"}],"wp:attachment":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/media?parent=59"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/categories?post=59"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/tags?post=59"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}