{"id":178,"date":"2017-02-21T04:58:00","date_gmt":"2017-02-21T04:58:00","guid":{"rendered":"https:\/\/www.haoyuan.info\/?p=178"},"modified":"2017-02-21T04:58:00","modified_gmt":"2017-02-21T04:58:00","slug":"%e5%85%b3%e4%ba%8e%e4%bd%bf%e7%94%a8floyd%e8%a7%a3%e5%86%b3%e6%9c%80%e7%9f%ad%e8%b7%af%e9%97%ae%e9%a2%98%e7%9a%84%e4%b8%80%e4%ba%9b%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9","status":"publish","type":"post","link":"https:\/\/haoyuan.info\/?p=178","title":{"rendered":"\u5173\u4e8e\u4f7f\u7528Floyd\u89e3\u51b3\u6700\u77ed\u8def\u95ee\u9898\u7684\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879"},"content":{"rendered":"<p>\u6839\u636eFloyd\u7b97\u6cd5\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u72b6\u6001\u8f6c\u79fb\u65b9\u7a0b\u89e3\u51b3\u4e00\u4e2a\u65e0\u5411\u56fe\u6216\u8005\u6709\u5411\u56fe\u4e2d\u4e24\u70b9\u4e4b\u95f4\u6700\u77ed\u8def\u5f84\u7684\u95ee\u9898\uff0c\u5176\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n\u00b3),\u7a7a\u95f4\u590d\u6742\u5ea6\u53ef\u4ee5\u63a7\u5236\u5728O(n\u00b2)(\u4e00\u822c\u60c5\u51b5)\u3002\u4f46\u662f\u5728\u5b9e\u9645\u8fd0\u7528\u4e2d\u5982\u679c\u5bf9Floyd\u4e09\u91cd\u5faa\u73af\u7684ijk\u987a\u5e8f\u6709\u6539\u52a8\uff0c\u4f1a\u5bfc\u81f4\u65e0\u6cd5\u6b63\u786e\u5f97\u51fa\u4e24\u70b9\u4e4b\u95f4\u7684\u6700\u77ed\u8def\u5f84\u7684\u95ee\u9898\u3002<\/p>\n<p>\u6b63\u786e\u7684\u505a\u6cd5\u662f<\/p>\n<p>&nbsp;<\/p>\n<p>[code lang=&#8221;cpp&#8221;]<br \/>\nfor(int k=1;k&lt;=border;k++)\/\/i,j,k\u5747\u4ece1\u5f00\u59cb<br \/>\n{<br \/>\n    for(int i=1;i&lt;=border;i++)<br \/>\n    {<br \/>\n        for(int j=1;j&lt;=border;j++)<br \/>\n        {<br \/>\n            graph[i][j]=min(graph[i][k]+graph[k][j],graph[i][j]);<br \/>\n        }<br \/>\n    }<br \/>\n}<br \/>\n[\/code]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6839\u636eFloyd\u7b97\u6cd5\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u72b6\u6001\u8f6c\u79fb\u65b9\u7a0b\u89e3\u51b3\u4e00\u4e2a\u65e0\u5411\u56fe\u6216\u8005\u6709\u5411\u56fe\u4e2d\u4e24\u70b9\u4e4b\u95f4\u6700\u77ed\u8def\u5f84\u7684\u95ee\u9898\uff0c\u5176\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO( [&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":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[25,22],"tags":[5,24,27,28],"class_list":["post-178","post","type-post","status-publish","format-standard","hentry","category-25","category-22","tag-c","tag-cpp","tag-dp","tag-28"],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8UC2c-2S","jetpack_likes_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/haoyuan.info\/index.php?rest_route=\/wp\/v2\/posts\/178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haoyuan.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/haoyuan.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/haoyuan.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haoyuan.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=178"}],"version-history":[{"count":1,"href":"https:\/\/haoyuan.info\/index.php?rest_route=\/wp\/v2\/posts\/178\/revisions"}],"predecessor-version":[{"id":179,"href":"https:\/\/haoyuan.info\/index.php?rest_route=\/wp\/v2\/posts\/178\/revisions\/179"}],"wp:attachment":[{"href":"https:\/\/haoyuan.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haoyuan.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haoyuan.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}