{"id":298,"date":"2022-08-01T14:59:00","date_gmt":"2022-08-01T06:59:00","guid":{"rendered":"https:\/\/blog.cirno.fun\/?p=298"},"modified":"2024-09-12T09:36:07","modified_gmt":"2024-09-12T01:36:07","slug":"%e9%93%be%e5%bc%8f%e5%89%8d%e5%90%91%e6%98%9f%e5%ad%98%e5%9b%be%e4%b8%8e%e9%81%8d%e5%8e%86","status":"publish","type":"post","link":"https:\/\/blog.sssn.tech\/?p=298","title":{"rendered":"\u94fe\u5f0f\u524d\u5411\u661f\u5b58\u56fe\u4e0e\u904d\u5386"},"content":{"rendered":"<p><a href=\"https:\/\/blog.csdn.net\/weixin_49534916\/article\/details\/124699883\">https:\/\/blog.csdn.net\/weixin_49534916\/article\/details\/124699883<\/a>\u8fd9\u7bc7\u6587\u7ae0\u8bb2\u7684\u771f\u7ec6\u554a\uff0c\u795e\u7287%%%\uff0c\u8fd9\u91cc\u6211\u5199\u4e00\u4e0b\u7b80\u5316\u4ee3\u7801\u7248\uff0c\u4e0d\u7528\u4ed6\u7684\u7ed3\u6784\u4f53\u4e5f\u53ef\u4ee5\u5b9e\u73b0\uff0c\u539f\u7406\u548c\u4ed6\u4e00\u6837<\/p>\n<p>\u94fe\u5f0f\u524d\u5411\u661f\u5b58\u56fe\u7684\u52a0\u8fb9\u64cd\u4f5c <code>head[x]<\/code>\u662f\u70b9x\u4e3a\u8d77\u70b9\u7684\u7b2c\u4e00\u6761\u8fb9\u7684\u4f4d\u7f6e <code>nxt[i]<\/code>\u662f\u4e0e\u7b2ci\u6761\u8fb9\u540c\u8d77\u70b9\u7684\u4e0b\u4e00\u6761\u8fb9\u7684\u4f4d\u7f6e\uff0c\u5982\u679c\u4e3a0\u5219\u4ee3\u8868\u5f53\u524d\u662f\u6700\u540e\u4e00\u6761 <code>to[i]<\/code>\u662f\u7b2ci\u6761\u8fb9\u7684\u6307\u5411\u8282\u70b9 \u5982\u679c\u6709\u8fb9\u6743\uff0c\u65b0\u52a0\u4e00\u4e2a<code>w[i]<\/code>\u5373\u53ef<\/p>\n<pre><code class=\"language-cpp\">int head[N],nxt[M],to[M];\nint cnt=0;\/\/cnt\u662f\u603b\u8fb9\u6570\nvoid add(int x,int y){\n    \/\/\u6dfb\u52a0\u4e00\u6761\u4ecex\u5230y\u7684\u8fb9\n    nxt[++cnt]=head[x];\/\/\u65b0\u8fb9\u7684\u4e0b\u4e00\u6761\u8fb9\u662f\u4ee5\u524d\u7684\u7b2c\u4e00\u6761\u8fb9\n    head[x]=cnt;\/\/\u65b0\u8fb9\u4f5c\u4e3ax\u4e3a\u8d77\u70b9\u7684\u7b2c\u4e00\u6761\u8fb9\n    to[cnt]=y;\/\/\u65b0\u8fb9\u7684\u6307\u5411\u8282\u70b9\n}<\/code><\/pre>\n<p>\u8bbf\u95ee\u64cd\u4f5c<\/p>\n<pre><code class=\"language-cpp\">for(int i=1;i&lt;=n;i++){\n    \/\/i\u662f\u679a\u4e3e\u6240\u6709\u8282\u70b9\n    for(int j=head[i];j;j=nxt[j]){\n        int y=to[j];\n        \/\/\u8fd9\u662f\u4e00\u6761\u4ecei\u5230y\u7684\u8fb9\n        \/\/int y\u8fd9\u4e2a\u64cd\u4f5c\u770b\u4e0a\u53bb\u591a\u4f59\uff0c\u5b9e\u9645\u4e0a\u53ef\u4ee5\u8f85\u52a9\u7406\u89e3\uff0c\u5728\u590d\u6742\u64cd\u4f5c\u65f6\u53ef\u4ee5\u5e2e\u52a9\u7406\u6e05\u601d\u8def\n        cout&lt;&lt;i&lt;&lt;&quot;-&gt;&quot;&lt;&lt;y&lt;&lt;endl;\n    }\n}<\/code><\/pre>\n<p>\u770b\u4e0d\u61c2\u80cc\u5c31\u5b8c\u4e8b\u4e86<\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/blog.csdn.net\/weixin_49534916\/ar [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,13],"tags":[],"class_list":["post-298","post","type-post","status-publish","format-standard","hentry","category-12","category-13"],"_links":{"self":[{"href":"https:\/\/blog.sssn.tech\/index.php?rest_route=\/wp\/v2\/posts\/298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.sssn.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.sssn.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.sssn.tech\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.sssn.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=298"}],"version-history":[{"count":1,"href":"https:\/\/blog.sssn.tech\/index.php?rest_route=\/wp\/v2\/posts\/298\/revisions"}],"predecessor-version":[{"id":754,"href":"https:\/\/blog.sssn.tech\/index.php?rest_route=\/wp\/v2\/posts\/298\/revisions\/754"}],"wp:attachment":[{"href":"https:\/\/blog.sssn.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.sssn.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.sssn.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}