{"id":356,"date":"2011-08-22T14:47:00","date_gmt":"2011-08-22T06:47:00","guid":{"rendered":"http:\/\/wangkaixuan.tech\/?p=356"},"modified":"2020-06-06T14:48:13","modified_gmt":"2020-06-06T06:48:13","slug":"%e5%85%a8%e6%8e%92%e5%88%97-dfs%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"http:\/\/www.wangkaixuan.tech\/?p=356","title":{"rendered":"\u5168\u6392\u5217 DFS\u5b9e\u73b0"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>\/*\n DFS\u5b9e\u73b0\u5168\u6392\u5217\n \u9012\u5f52\u662f\u6211\u7684\u5f31\u9879\n \u5206\u6790\u9012\u5f52\u8fc7\u7a0b\u5206\u6790\u7684\u5934\u90fd\u5927\u4e86\u3002\u3002\u3002\n \u505a\u4e00\u4e0b\u6ce8\u91ca\n \u514d\u5f97\u65e5\u540e\u60f3\u4e0d\u8d77\u6765\n \u8fd0\u884c\u65f6\u6ce8\u610f\uff1a\n \u8f93\u5165\u6570\u5b57\u6700\u597d\u4e0d\u8981\u8d85\u8fc7\u4e24\u4f4d\u6570\n \u8f93\u516510\u65f6\u8fd0\u884c\u65f6\u95f4\u8fd11min\n \u4ea7\u751f\u7684output.txt\u8fbe\u5230\u60ca\u4eba\u768479.6M\uff01\uff01\uff01\n *\/\n#define LOCAL\n#include&lt;iostream>\n#define N 15\nusing namespace std;\nint n, ans&#91;N], visit&#91;N];\nvoid DFS(int depth)\n{\n\tint i, j;\n\tfor (i = 1; i &lt;= n; i++) \/\/\u4ece1\u5230n\u5bf9\u6570\u8868\u626b\u63cf\u4e00\u904d\n\t{\n\t\tif (!visit&#91;i]) \/\/\u770b\u54ea\u4e2a\u6570\u5b57\u672a\u88ab\u8bbf\u95ee\u5c31\u8bbf\u95ee\u4e4b\n\t\t{\n\t\t\tvisit&#91;i] = 1; \/\/\u6807\u8bb0\u4e3a\u5df2\u8bbf\u95ee\n\t\t\tans&#91;depth] = i; \/\/\u5c06\u8be5\u6570\u5b57\u586b\u8868\n\t\t\tif (depth &lt; n) \/\/\u5982\u679c\u6ca1\u6709\u586b\u5230n\n\t\t\t\tDFS(depth + 1); \/\/\u586bdepth+1\n\t\t\telse \/\/\u5982\u679c\u586b\u8868\u5b8c\u6bd5\n\t\t\t{\n\t\t\t\tfor (j = 1; j &lt;= n; j++) \/\/\u8f93\u51fa\u7ed3\u679c\n\t\t\t\t\tcout &lt;&lt; ans&#91;j] &lt;&lt; \" \";\n\t\t\t\tcout &lt;&lt; endl;\n\t\t\t}\n\t\t\tvisit&#91;i] = 0; \/\/\u8bbf\u95ee\u5b8c\u6bd5\u8fd4\u56de\u6807\u8bb0\u4e3a\u53ef\u8bbf\u95ee\n\t\t\t\/\/\u6ce8\u610f\u8fd9\u4e00\u53e5\u53ea\u6709\u5f53\u586b\u8868\u5b8c\u6bd5\u8f93\u51fa\u4e86\u7ed3\u679c\u540e\u624d\u6709\u53ef\u80fd\u6267\u884c\u5230\n\t\t\t\/\/\u586b\u8868\u5b8c\u6bd5\u8868\u793a\u4e00\u4e2a\u6392\u5217\u5df2\u7ecf\u4ea7\u751f\n\t\t\t\/\/\u8be5\u6570\u81ea\u7136\u53ef\u4ee5\u6062\u590d\u81ea\u7531\u8eab\u7ee7\u7eed\u88ab\u8bbf\u95ee\u4e86\n\t\t}\n\t}\n}\nint main()\n{\n#ifdef LOCAL\n\tfreopen(\"input.txt\", \"r\", stdin);\n\tfreopen(\"output.txt\", \"w\", stdout);\n#endif\n\n\twhile (cin >> n)\n\t{\n\t\tmemset(visit, 0, sizeof(visit));\n\t\tDFS(1);\t\t\t\/\/\u4ece1\u5f00\u59cb\u5f80\u540e\u586b\u8868\n\t}\n\treturn 0;\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-356","post","type-post","status-publish","format-standard","hentry","category-06-03-play-ground"],"_links":{"self":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts\/356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=356"}],"version-history":[{"count":0,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts\/356\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=356"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}