{"id":49439,"date":"2024-12-02T15:17:42","date_gmt":"2024-12-02T07:17:42","guid":{"rendered":"https:\/\/fwq.ai\/blog\/49439\/"},"modified":"2024-12-02T15:17:42","modified_gmt":"2024-12-02T07:17:42","slug":"%e5%a6%82%e4%bd%95%e7%94%a8%e9%80%92%e5%a2%9e%e6%95%b0%e5%ad%97%e6%9b%bf%e6%8d%a2%e5%92%8c%e5%9b%9e%e6%ba%af%e6%b3%95%e9%ab%98%e6%95%88%e8%a7%a3%e5%86%b3%e5%a4%9a%e5%b1%82%e6%95%b0%e7%bb%84%e7%9a%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/49439\/","title":{"rendered":"\u5982\u4f55\u7528\u9012\u589e\u6570\u5b57\u66ff\u6362\u548c\u56de\u6eaf\u6cd5\u9ad8\u6548\u89e3\u51b3\u591a\u5c42\u6570\u7ec4\u7684\u6392\u5217\u7ec4\u5408\u95ee\u9898\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u7528\u9012\u589e\u6570\u5b57\u66ff\u6362\u548c\u56de\u6eaf\u6cd5\u9ad8\u6548\u89e3\u51b3\u591a\u5c42\u6570\u7ec4\u7684\u6392\u5217\u7ec4\u5408\u95ee\u9898\uff1f<\/h1>\n<p><span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898<span style=\"color: #222222;, sans-serif;background-color: #FFFFFF\">\u662f<\/span><span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5982\u4f55\u7528\u9012\u589e\u6570\u5b57\u66ff\u6362\u548c\u56de\u6eaf\u6cd5\u9ad8\u6548\u89e3\u51b3\u591a\u5c42\u6570\u7ec4\u7684\u6392\u5217\u7ec4\u5408\u95ee\u9898\uff1f\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241201\/1733061275674c6a9b9d427.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u7528\u9012\u589e\u6570\u5b57\u66ff\u6362\u548c\u56de\u6eaf\u6cd5\u9ad8\u6548\u89e3\u51b3\u591a\u5c42\u6570\u7ec4\u7684\u6392\u5217\u7ec4\u5408\u95ee\u9898\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u7528\u9012\u589e\u6570\u5b57\u66ff\u6362\u548c\u56de\u6eaf\u6cd5\u9ad8\u6548\u89e3\u51b3\u591a\u5c42\u6570\u7ec4\u7684\u6392\u5217\u7ec4\u5408\u95ee\u9898\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u6392\u5217\u7ec4\u5408\u7684\u8fdb\u9636\uff1a\u9012\u589e\u6570\u5b57\u66ff\u6362\u548c\u56de\u6eaf\u6c42\u89e3<\/strong><\/p>\n<p>\u5728\u6392\u5217\u7ec4\u5408\u95ee\u9898\u7684\u57fa\u7840\u4e0a\uff0c\u8003\u8651\u5728\u539f\u6709\u6570\u7ec4\u7684\u57fa\u7840\u4e0a\u6784\u5efa\u65b0\u7684\u6392\u5217\u7ec4\u5408\uff0c\u5e76\u901a\u8fc7\u4e0d\u540c\u7684\u5c42\u6570\u8fdb\u884c\u6269\u5c55\u3002\u6211\u4eec\u7ed9\u5b9a\u6570\u7ec4 a \u548c b\uff0c\u5e76\u6839\u636e\u5c42\u6570\u6784\u9020\u65b0\u7684\u6392\u5217\u7ec4\u5408\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u7b2c\u4e00\u5c42\uff1aa\u3001b<\/li>\n<li>\u7b2c\u4e8c\u5c42\uff1aab\u3001aa\u3001ba\u3001bb<\/li>\n<li>\u7b2c\u4e09\u5c42\uff1aaaa\u3001aba\u3001abb\u3001aab\u3001baa\u3001bab\u3001bba\u3001bbb<\/li>\n<\/ul>\n<p><strong>\u65b9\u6cd5\u4e00\uff1a\u6570\u4f4d\u66ff\u6362<\/strong><\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u5c06\u6bcf\u4e00\u5c42\u770b\u4f5c\u4e00\u4e2a\u8fdb\u5236\u6570\uff0c\u901a\u8fc7\u9012\u589e\u6570\u5b57\u6765\u66ff\u6362\u6bcf\u4e00\u6570\u4f4d\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u7ed9\u5b9a\u7684\u6570\u7ec4 ab \u548c\u5c42\u6570\u4e3a 2\uff0c\u6211\u4eec\u53ef\u4ee5\u6784\u5efa\u4ee5\u4e0b\u6392\u5217\u7ec4\u5408\uff1a<\/p>\n<pre>00 -&gt; aa\n01 -&gt; ab\n10 -&gt; ba\n11 -&gt; bb<\/pre>\n<p>\u5bf9\u4e8e\u5c42\u6570\u5927\u4e8e 2 \u7684\u60c5\u51b5\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u8fed\u4ee3\u66ff\u6362\u3002<\/p>\n<p><strong>\u65b9\u6cd5\u4e8c\uff1a\u56de\u6eaf<\/strong><\/p>\n<p>\u9664\u4e86\u6570\u4f4d\u66ff\u6362\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u56de\u6eaf\u6cd5\u6765\u6c42\u89e3\u3002\u56de\u6eaf\u6cd5\u662f\u4e00\u79cd\u9012\u5f52\u904d\u5386\u6240\u6709\u53ef\u80fd\u6027\u7684\u65b9\u6cd5\uff0c\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u6bcf\u6b21\u9009\u62e9\u4e00\u4e2a\u5b57\u7b26\u6dfb\u52a0\u5230\u5f53\u524d\u6392\u5217\u7ec4\u5408\u3002<\/li>\n<li>\u4ee5\u9009\u4e2d\u7684\u5b57\u7b26\u4e3a\u57fa\u7840\uff0c\u8fdb\u884c\u9012\u5f52\u8c03\u7528\uff0c\u6784\u9020\u66f4\u957f\u7684\u6392\u5217\u7ec4\u5408\u3002<\/li>\n<li>\u5982\u679c\u5f53\u524d\u6392\u5217\u7ec4\u5408\u6ee1\u8db3\u8981\u6c42\uff0c\u5219\u5c06\u5176\u6dfb\u52a0\u5230\u7ed3\u679c\u5217\u8868\u3002<\/li>\n<\/ul>\n<p>\u65e0\u8bba\u4f7f\u7528\u54ea\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u90fd\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u5b9e\u73b0\uff0c\u4ee5\u81ea\u52a8\u751f\u6210\u6392\u5217\u7ec4\u5408\u3002\u4ee5\u4e0b\u662f\u4e00\u6bb5 python \u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u4f7f\u7528\u56de\u6eaf\u6cd5\u6c42\u89e3\u7684\u8fc7\u7a0b\uff1a<\/p>\n<pre>def solve(arr, m):\n    res, cur = [], [''] * m\n\n    def dfs(i, same):\n        if i == m:\n            res.append(''.join(cur))\n            return\n        for a in arr:\n            cur[i] = a\n            dfs(i + 1, same and a == cur[i - 1])\n\n    for a in arr:\n        cur[0] = a\n        dfs(1, False)\n\n    return res<\/pre>\n<p>\u901a\u8fc7\u63d0\u4f9b\u6570\u7ec4 arr \u548c\u5c42\u6570 m \u4f5c\u4e3a\u8f93\u5165\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u6240\u6709\u6ee1\u8db3\u6761\u4ef6\u7684\u6392\u5217\u7ec4\u5408\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u5982\u4f55\u7528\u9012\u589e\u6570\u5b57\u66ff\u6362\u548c\u56de\u6eaf\u6cd5\u9ad8\u6548\u89e3\u51b3\u591a\u5c42\u6570\u7ec4\u7684\u6392\u5217\u7ec4\u5408\u95ee\u9898\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u7528\u9012\u589e\u6570\u5b57\u66ff\u6362\u548c\u56de\u6eaf\u6cd5\u9ad8\u6548\u89e3\u51b3\u591a\u5c42\u6570\u7ec4\u7684\u6392\u5217\u7ec4\u5408\u95ee\u9898\uff1f \u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f\u300a\u5982\u4f55\u7528\u9012\u589e\u6570\u5b57\u66ff\u6362\u548c\u56de\u6eaf\u6cd5\u9ad8\u6548\u89e3\u51b3\u591a\u5c42\u6570\u7ec4\u7684\u6392\u5217\u7ec4\u5408\u95ee\u9898\uff1f\u300b\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8e\u6587\u7ae0\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01 \u6392\u5217\u7ec4\u5408\u7684\u8fdb\u9636\uff1a\u9012\u589e\u6570\u5b57\u66ff\u6362\u548c\u56de\u6eaf\u6c42\u89e3 \u5728\u6392\u5217\u7ec4\u5408\u95ee\u9898\u7684\u57fa\u7840\u4e0a\uff0c\u8003\u8651\u5728\u539f\u6709\u6570\u7ec4\u7684\u57fa\u7840\u4e0a\u6784\u5efa\u65b0\u7684\u6392\u5217\u7ec4\u5408\uff0c\u5e76\u901a\u8fc7\u4e0d\u540c\u7684\u5c42\u6570\u8fdb\u884c\u6269\u5c55\u3002\u6211\u4eec\u7ed9\u5b9a\u6570\u7ec4 a \u548c b\uff0c\u5e76\u6839\u636e\u5c42\u6570\u6784\u9020\u65b0\u7684\u6392\u5217\u7ec4\u5408\u3002\u4f8b\u5982\uff1a \u7b2c\u4e00\u5c42\uff1aa\u3001b \u7b2c\u4e8c\u5c42\uff1aab\u3001aa\u3001ba\u3001bb \u7b2c\u4e09\u5c42\uff1aaaa\u3001aba\u3001abb\u3001aab\u3001baa\u3001bab\u3001bba\u3001bbb \u65b9\u6cd5\u4e00\uff1a\u6570\u4f4d\u66ff\u6362 \u6211\u4eec\u53ef\u4ee5\u5c06\u6bcf\u4e00\u5c42\u770b\u4f5c\u4e00\u4e2a\u8fdb\u5236\u6570\uff0c\u901a\u8fc7\u9012\u589e\u6570\u5b57\u6765\u66ff\u6362\u6bcf\u4e00\u6570\u4f4d\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u7ed9\u5b9a\u7684\u6570\u7ec4 ab \u548c\u5c42\u6570\u4e3a 2\uff0c\u6211\u4eec\u53ef\u4ee5\u6784\u5efa\u4ee5\u4e0b\u6392\u5217\u7ec4\u5408\uff1a 00 -&gt; aa 01 -&gt; ab 10 -&gt; ba 11 -&gt; bb \u5bf9\u4e8e\u5c42\u6570\u5927\u4e8e 2 \u7684\u60c5\u51b5\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u8fed\u4ee3\u66ff\u6362\u3002 \u65b9\u6cd5\u4e8c\uff1a\u56de\u6eaf \u9664\u4e86\u6570\u4f4d\u66ff\u6362\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u56de\u6eaf\u6cd5\u6765\u6c42\u89e3\u3002\u56de\u6eaf\u6cd5\u662f\u4e00\u79cd\u9012\u5f52\u904d\u5386\u6240\u6709\u53ef\u80fd\u6027\u7684\u65b9\u6cd5\uff0c\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a \u6bcf\u6b21\u9009\u62e9\u4e00\u4e2a\u5b57\u7b26\u6dfb\u52a0\u5230\u5f53\u524d\u6392\u5217\u7ec4\u5408\u3002 \u4ee5\u9009\u4e2d\u7684\u5b57\u7b26\u4e3a\u57fa\u7840\uff0c\u8fdb\u884c\u9012\u5f52\u8c03\u7528\uff0c\u6784\u9020\u66f4\u957f\u7684\u6392\u5217\u7ec4\u5408\u3002 \u5982\u679c\u5f53\u524d\u6392\u5217\u7ec4\u5408\u6ee1\u8db3\u8981\u6c42\uff0c\u5219\u5c06\u5176\u6dfb\u52a0\u5230\u7ed3\u679c\u5217\u8868\u3002 \u65e0\u8bba\u4f7f\u7528\u54ea\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u90fd\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u5b9e\u73b0\uff0c\u4ee5\u81ea\u52a8\u751f\u6210\u6392\u5217\u7ec4\u5408\u3002\u4ee5\u4e0b\u662f\u4e00\u6bb5 python \u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u4f7f\u7528\u56de\u6eaf\u6cd5\u6c42\u89e3\u7684\u8fc7\u7a0b\uff1a def solve(arr, m): res, cur = [], [&#8221;] * m def dfs(i, same): if i == m: [&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-49439","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/49439","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=49439"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/49439\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=49439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=49439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=49439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}