{"id":339,"date":"2013-02-23T16:57:00","date_gmt":"2013-02-23T08:57:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/243"},"modified":"2013-02-23T16:57:00","modified_gmt":"2013-02-23T08:57:00","slug":"stability_one-way_the_figure_tarjen","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=339","title":{"rendered":"\u7a33\u5b9a\u6027(\u5355\u5411\u56fetarjen)"},"content":{"rendered":"<p>Problem2 \u7a33\u5b9a\u6027(cp.cpp\/c\/pas)<\/p>\n<p>\u3010\u9898\u76ee\u63cf\u8ff0\u3011<\/p>\n<p>\u67092*n\u4e2a\u88c5\u7f6e\uff0c\u5176\u4e2d\u5947\u6570\u7f16\u53f7\u7684\u4e3a\u4f9b\u7535\u88c5\u7f6e\uff0c\u5076\u6570\u7f16\u53f7\u7684\u4e3a\u7528\u7535\u88c5\u7f6e\u3002<\/p>\n<p>\u7b2ci*2-1\u4e2a\u88c5\u7f6e\u901a\u8fc7\u5355\u5411\u5bfc\u7ebf\u7b2ci*2\u4e2a\u88c5\u7f6e\u8f93\u9001\u80fd\u91cf\uff08\u5b83\u4eec\u79f0\u4e3a\u7b2ci\u5bf9\u88c5\u7f6e\uff09\u3002\u9664\u6b64\u4e4b\u5916\u8fd8\u6709m\u6761\u5355\u5411\u5bfc\u7ebf\u3002<\/p>\n<p>\u7b2ci\u5bf9\u88c5\u7f6e\u662f\u7a33\u5b9a\u7684\uff0c\u5f53\u4e14\u4ec5\u5f53\uff1a\u76f4\u63a5\u8fde\u63a52\u8005\u7684\u5355\u5411\u5bfc\u7ebf\u635f\u574f\u65f6\uff0c\u4ecd\u7136\u6709\u4e00\u4e2a\u4f9b\u7535\u65b9\u6848\u4f7f\u5f97\u6bcf\u4e2a\u4f9b\u7535\u88c5\u7f6e\u7ed9\u4e00\u4e2a\u7528\u7535\u88c5\u7f6e\u4f9b\u7535\uff0c\u4e14\u6bcf\u4e2a\u7528\u7535\u88c5\u7f6e\u53ea\u7531\u4e00\u4e2a\u4f9b\u7535\u88c5\u7f6e\u4f9b\u7535\u3002<\/p>\n<p>\u6c42\u6bcf\u5bf9\u88c5\u7f6e\u7a33\u5b9a\u4e0e\u5426\u3002<\/p>\n<p>\u3010\u8f93\u5165&#26684;\u5f0f\u3011<\/p>\n<p>\u7b2c\u4e00\u884c2\u4e2a\u6574\u6570n,m\u3002<\/p>\n<p>\u63a5\u4e0b\u6765m\u884c\uff0c\u6bcf\u884c2\u4e2a\u6574\u6570a\u3001b\uff0c\u8868\u793aa\u5f80b\u6709\u4e00\u6761\u5355\u5411\u5bfc\u7ebf\u3002\u4fdd\u8bc1a\u4e3a\u5947\u6570\uff0cb\u4e3a\u5076\u6570\u3002<\/p>\n<p>\u3010\u8f93\u51fa&#26684;\u5f0f\u3011<\/p>\n<p>\u8f93\u51fan\u884c\uff0c\u82e5\u7b2ci\u5bf9\u88c5\u7f6e\u662f\u7a33\u5b9a\u7684\uff0c\u8f93\u51fa\u201c~\u201d\uff0c\u5426\u5219\u8f93\u51fa\u201c@\u201d<\/p>\n<p>&nbsp;<\/p>\n<p>\u3010\u6837\u4f8b\u8f93\u5165\u3011<\/p>\n<p>2 1<\/p>\n<p>3 2<\/p>\n<p>\u3010\u6837\u4f8b\u8f93\u51fa\u3011<\/p>\n<p>@<\/p>\n<p>@<\/p>\n<p>\u3010\u6837\u4f8b\u8f93\u51652\u3011<\/p>\n<p>2 2<\/p>\n<p>3 2<\/p>\n<p>1 4<\/p>\n<p>\u3010\u6837\u4f8b\u8f93\u51fa2\u3011<\/p>\n<p>~<\/p>\n<p>~<\/p>\n<p>\u3010\u6570\u636e\u8303\u56f4\u3011<\/p>\n<p>\u5bf9\u4e8e20%\uff1aN&lt;=10<\/p>\n<p>\u5bf9\u4e8e40%\uff1aN&lt;=100<\/p>\n<p>\u5bf9\u4e8e60%\uff1aN&lt;=1000<\/p>\n<p>\u5bf9\u4e8e100%\uff1aN&lt;=100000\uff0cM&lt;=2*N<\/p>\n<p>\n<\/p>\n<p><span style=\"font-size:14px\">\u6ce8\u610fTarjen\u6a21\u677f\u3002<\/span><\/p>\n<p><span style=\"font-size:14px\">Ps:\u8fb9\u6700\u591a\u6709300000(\u539f\u6765\u7684n\u6761\u8fb9&#43;\u53e6\u5916m\u6761\u5355\u5411\u8fb9)<\/span><\/p>\n<p><span style=\"font-size:14px\"><\/span><\/p>\n<pre name=\"code\" class=\"cpp\">#include&lt;cstdio&gt;\n#include&lt;algorithm&gt;\n#include&lt;functional&gt;\n#include&lt;iostream&gt;\n#include&lt;cstdlib&gt;\n#include&lt;cstring&gt;\n#include&lt;cmath&gt;\nusing namespace std;\n#define MAXN (200000+10)\n#define MAXM (300000+10)\nint edge[MAXM],pre[MAXM],next[MAXM],size=0;\nvoid addedge(int u,int v)\n{\n\tedge[++size]=v;\n\tnext[size]=pre[u];\n\tpre[u]=size;\n}\nint t[MAXN],tim=0,dfs[MAXN];\nint s[MAXN],tot=0,n,m;\nint kind=0,h[MAXN];\nbool b[MAXN],numk[MAXN];\nvoid tar(int u)\n{\n\tt[u]=dfs[u]=++tim;b[u]=1;\n\ts[++tot]=u;\n\tfor (int p=pre[u];p;p=next[p])\n\t{\n\t\tint &amp;v=edge[p];\n\t\tif (!b[v]) tar(v),dfs[u]=min(dfs[u],dfs[v]);\n\t\telse if (!h[v]) dfs[u]=min(dfs[u],t[v]);\n\t}\n\tif (dfs[u]==t[u])\n\t{\n\t\tkind++;\n\t\tbool flag=0;\n\t\twhile (s[tot]!=u) h[s[tot--]]=kind,flag=1;\n\t\th[s[tot--]]=kind;\n\t\tnumk[kind]=flag;\n\t}\n}\nint main()\n{\n\tfreopen(&quot;cp.in&quot;,&quot;r&quot;,stdin);\n\tfreopen(&quot;cp.out&quot;,&quot;w&quot;,stdout);\n\tscanf(&quot;%d%d&quot;,&amp;n,&amp;m);\n\tmemset(pre,0,sizeof(pre));\n\tmemset(b,0,sizeof(b));\n\tmemset(h,0,sizeof(h));\n\tfor (int i=1;i&lt;=n;i++) addedge(2*i-1,2*i);\n\tfor (int i=1;i&lt;=m;i++)\n\t{\n\t\tint u,v;\n\t\tscanf(&quot;%d%d&quot;,&amp;u,&amp;v);\n\t\taddedge(v,u);\n\t}\n\tfor (int i=2;i&lt;=2*n;i+=2)\n\t{\n\t\tif (!b[i]) tar(i);\n\t\tif (numk[h[i]]) printf(&quot;~n&quot;);\n\t\telse printf(&quot;@n&quot;);\n\t}\n\n\treturn 0;\n}<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Problem2 \u7a33\u5b9a\u6027(cp.cpp\/c\/pas) \u3010\u9898\u76ee\u63cf\u8ff0\u3011 \u67092*n\u4e2a\u88c5\u7f6e\uff0c\u5176\u4e2d\u5947\u6570\u7f16\u53f7\u7684\u4e3a\u4f9b\u7535\u88c5\u7f6e\uff0c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[3],"tags":[119],"class_list":["post-339","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-connected_graph"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u7a33\u5b9a\u6027(\u5355\u5411\u56fetarjen) - nike0good<\/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:\/\/nike0good.com\/?p=339\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7a33\u5b9a\u6027(\u5355\u5411\u56fetarjen) - nike0good\" \/>\n<meta property=\"og:description\" content=\"Problem2 \u7a33\u5b9a\u6027(cp.cpp\/c\/pas) \u3010\u9898\u76ee\u63cf\u8ff0\u3011 \u67092*n\u4e2a\u88c5\u7f6e\uff0c\u5176\u4e2d\u5947\u6570\u7f16\u53f7\u7684\u4e3a\u4f9b\u7535\u88c5\u7f6e\uff0c [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nike0good.com\/?p=339\" \/>\n<meta property=\"og:site_name\" content=\"nike0good\" \/>\n<meta property=\"article:published_time\" content=\"2013-02-23T08:57:00+00:00\" \/>\n<meta name=\"author\" content=\"nike0good\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"nike0good\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" 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