{"id":101309,"date":"2026-09-06T15:57:16","date_gmt":"2026-09-06T07:57:16","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/101309.html"},"modified":"2026-09-06T15:57:16","modified_gmt":"2026-09-06T07:57:16","slug":"%e3%80%90%e9%a2%98%e8%a7%a3%e3%80%91p10060-snoi2024-%e6%a0%91-v-%e5%9b%be","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/101309.html","title":{"rendered":"\u3010\u9898\u89e3\u3011P10060 [SNOI2024] \u6811 V \u56fe"},"content":{"rendered":"<p>P10060 [SNOI2024] \u6811 V \u56fe &#8211; \u6d1b\u8c37 (luogu.com.cn)<\/p>\n<p>\u6211\u62ff\u5230\u4e86\u4e4c\u4e4c\u548c\u54d1\u54d1\u7684\u6307\u5076&#xff0c;\u592a\u840c\u4e86\u3002<\/p>\n<p>\u50cf\u9ec4\u8c46\u997c\u548c\u5de7\u514b\u529b&#xff0c;\u53ef\u4ee5\u4eb2\u5634\u4e4b\u7269\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"1080\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260906075715-6a9d1cdb4e42f.jpg\" width=\"1440\" \/><\/p>\n<hr \/>\n<h3>0.\u5206\u6790<\/h3>\n<p>\u65e0\u5411\u6811\u3002<\/p>\n<p>\u5176\u5b9e\u6211\u4eec\u53ef\u4ee5\u7406\u89e3\u9898\u610f\u4e3a\u7ed9\u6bcf\u4e2a\u70b9\u5b9a\u597d\u4e86\u4e00\u4e2a\u56fd\u5bb6&#xff0c;\u6bcf\u4e2a\u56fd\u5bb6\u5fc5\u6709\u4e00\u4e2a\u9996\u90fd\u3002<\/p>\n<p>\u800c\u6bcf\u4e2a\u70b9\u4e0e\u96b6\u5c5e\u7684\u90a3\u4e2a\u56fd\u5bb6\u7684\u9996\u90fd\u7684\u8ddd\u79bb&#xff0c;\u4e00\u5b9a\u662f\u5b83\u4e0e\u6240\u6709\u9996\u90fd\u4e2d\u6700\u5c0f\u7684\u3002<\/p>\n<p>\u5f53\u7136&#xff0c;\u4e0e\u4e24\u4e2a\u9996\u90fd\u8ddd\u79bb\u4e00\u6837\u65f6\u9009\u7f16\u53f7\u5c0f\u7684\u90a3\u4e2a\u3002<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u77e5\u9053\u6bcf\u4e2a\u70b9\u96b6\u5c5e\u7684\u56fd\u5bb6&#xff0c;\u6c42\u6709\u591a\u5c11\u79cd\u4e0d\u540c\u7684\u9996\u90fd\u9009\u62e9\u65b9\u6848\u3002<\/p>\n<\/p>\n<p>\u9996\u5148&#xff0c;\u6bcf\u4e2a\u56fd\u5bb6\u4e4b\u95f4\u4e00\u5b9a\u662f\u8054\u901a\u7684&#xff0c;\u8fd9\u91cc\u6307\u540c\u4e00\u4e2a\u56fd\u5bb6\u5185\u4e0d\u53ef\u80fd\u6709\u53e6\u4e00\u4e2a\u56fd\u5bb6\u6a2a\u8d2f&#xff0c;\u5bfc\u81f4\u4e0d\u8fde\u901a\u3002<\/p>\n<p>\u4e0d\u7136\u4e00\u5b9a\u53ef\u4ee5\u8c03\u6574\u4e3a\u4e00\u4e2a\u66f4\u5408\u6cd5\u7684\u65b9\u6848&#xff0c;\u4e5f\u5c31\u662f\u6709\u4e9b\u70b9\u8ddd\u79bb\u3001\u7f16\u53f7\u8fd8\u53ef\u4ee5\u66f4\u5c0f\u3002<\/p>\n<p>\u90a3\u4e48&#xff0c;\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5c06\u540c\u4e00\u4e2a\u56fd\u5bb6\u7684\u8fde\u901a\u5757\u770b\u6210\u4e00\u4e2a\u6574\u4f53\u3002<\/p>\n<p>\u8fd9\u6837\u56fe\u4e2d\u8fd8\u9700\u8981\u8ba8\u8bba\u7684\u8fb9\u5c31\u662f\u8fde\u63a5\u4e24\u4e2a\u4e0d\u540c\u56fd\u5bb6\u7684\u201c\u56fd\u5883\u8fb9\u201d&#xff0c;<\/p>\n<p>\u53ea\u6709\u56fd\u5883\u8fb9\u4e24\u7aef\u7684\u70b9\u90fd\u6ee1\u8db3\u201c\u79bb\u96b6\u5c5e\u56fd\u5bb6\u9996\u90fd\u66f4\u8fd1&#xff08;\u6216\u5e73\u5c40\u6309\u7f16\u53f7\u5c0f&#xff09;\u201d&#xff0c;\u90a3\u4e48\u6574\u68f5\u6811\u5c31\u6ee1\u8db3\u8981\u6c42\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u8bf4&#xff1f;\u56e0\u4e3a\u8fb9\u5883\u70b9\u6ca1\u95ee\u9898&#xff0c;\u5185\u90e8\u7684\u70b9\u5c31\u66f4\u6ca1\u95ee\u9898\u3002\u6709\u95ee\u9898\u7684\u4e00\u5b9a\u5148\u4f1a\u662f\u8fb9\u5883\u70b9\u3002<\/p>\n<\/p>\n<\/p>\n<h3>1.\u8ba8\u8bba<\/h3>\n<p>\u5bf9\u4e8e\u56fd\u5883\u8fb9\u00a0(u, v)&#xff0c;\u5176\u4e2d\u00a0u\u00a0\u5c5e\u4e8e\u56fd\u5bb6\u00a0x&#xff0c;v\u00a0\u5c5e\u4e8e\u56fd\u5bb6\u00a0y&#xff0c;\u6211\u4eec\u68c0\u67e5&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u5bf9\u4e8e\u70b9\u00a0u&#xff1a;\u5b83\u5230\u00a0x\u00a0\u7684\u9996\u90fd\u00a0i\u00a0\u7684\u8ddd\u79bb\u5fc5\u987b \u2264 \u5230\u00a0y\u00a0\u7684\u9996\u90fd\u00a0j\u00a0\u7684\u8ddd\u79bb &#xff08;\u5982\u679c\u00a0x &lt; y&#xff0c;\u5141\u8bb8\u7b49\u53f7&#xff1b;\u5982\u679c\u00a0x &gt; y&#xff0c;\u5219\u5fc5\u987b &lt;&#xff09;\u3002<\/p>\n<\/li>\n<li>\n<p>\u5bf9\u4e8e\u70b9\u00a0v&#xff1a;\u5b83\u5230\u00a0y\u00a0\u7684\u9996\u90fd\u00a0j\u00a0\u7684\u8ddd\u79bb\u5fc5\u987b \u2264 \u5230\u00a0x\u00a0\u7684\u9996\u90fd\u00a0i\u00a0\u7684\u8ddd\u79bb &#xff08;\u5982\u679c\u00a0y &lt; x&#xff0c;\u5141\u8bb8\u7b49\u53f7&#xff1b;\u5426\u5219\u5fc5\u987b &lt;&#xff09;\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u6211\u4eec\u6784\u5efa vc\u00a0\u6570\u7ec4&#xff0c;vc[t]\u00a0\u8868\u793a&#xff1a;<\/p>\n<p>\u5728 v \u8054\u901a\u5757\u4e2d&#xff0c;\u6240\u6709\u8ddd\u79bb u\u00a0\u6070\u597d\u4e3a\u00a0t\u00a0\u7684\u90a3\u4e9b\u8282\u70b9&#xff0c;\u5b83\u4eec\u4f5c\u4e3a\u9996\u90fd\u65f6\u7684\u65b9\u6848\u6570\u4e4b\u548c\u3002<\/p>\n<p>\u5bf9\u4e8e v \u6240\u5728\u7684\u8fde\u901a\u5757&#xff0c;\u6211\u4eec\u6c42\u51fa\u5b83\u7684 vc\u3002<\/p>\n<p>\u800c\u5bf9\u4e8e u \u8fde\u901a\u5757\u7684\u6240\u6709\u70b9&#xff0c;\u6211\u4eec\u679a\u4e3e\u5b83\u4f5c\u4e3a u \u8fde\u901a\u5757\u7684\u9996\u90fd\u3002<\/p>\n<p>\u8fd9\u4e2a\u9996\u90fd\u6210\u7acb&#xff0c;\u5f53\u4e14\u4ec5\u5f53 v \u6240\u5728\u8fde\u901a\u5757\u7684\u9996\u90fd\u548c v \u7684\u8ddd\u79bb\u548c\u8fd9\u4e2a\u9996\u90fd\u4e0e x \u7684\u8ddd\u79bb\u76f8\u540c\u3002<\/p>\n<p>\u4f46\u51e1\u54ea\u4e00\u65b9\u5c0f\u4e86&#xff0c;\u90fd\u4f1a\u5bfc\u81f4\u81f3\u5c11\u4e00\u4e2a\u70b9\u7684\u201c\u53db\u53d8\u201d\u3002<\/p>\n<\/p>\n<\/p>\n<h3>2.\u5b9e\u73b0<\/h3>\n<p>\u8be6\u89c1\u4ee3\u7801\u3002<\/p>\n<p>#include&lt;bits\/stdc&#043;&#043;.h&gt;<br \/>\nusing namespace std;<\/p>\n<p>typedef long long LL;<br \/>\nconst LL P &#061; 998244353;<br \/>\nconst int N &#061; 3010;<br \/>\nint n, K;<br \/>\nvector&lt;int&gt; G[N], co[N];<br \/>\nint c[N], havec[N];<br \/>\nLL dp[N];<br \/>\nbool flag;<\/p>\n<p>\/\/ \u904d\u5386 v \u8fde\u901a\u5757\u5f97\u5230 vc&#xff0c;x \u5f53\u524d\u8282\u70b9&#xff0c;d \u662f\u5f53\u524d\u8282\u70b9\u548c v \u7684\u8ddd\u79bb &#043; 1<br \/>\n\/\/ &#043; 1 \u662f\u4e3a\u4e86 &#8211; 1\u7684\u65f6\u5019\u4e0d\u7528\u8003\u8651\u8fb9\u754c&#xff0c;\u4ee5\u4e0b\u8ba8\u8bba\u6982\u5ff5\u90fd\u4e0d\u6d89\u53ca &#043; 1&#xff0c;\u5f53\u6ca1\u6709 &#043; 1 \u9605\u8bfb\u5c31\u597d<br \/>\n\/\/ vc[t] &#061; \u5728 v \u8054\u901a\u5757\u4e2d&#xff0c;\u6240\u6709\u8ddd\u79bb u \u6070\u597d\u4e3a t \u7684\u90a3\u4e9b\u8282\u70b9&#xff0c;\u5b83\u4eec\u4f5c\u4e3a\u9996\u90fd\u65f6\u7684\u65b9\u6848\u6570\u4e4b\u548c<br \/>\nvoid get_vc(vector&lt;LL&gt; &amp;vc, int x, int fa, int d) {<br \/>\nvc[d] &#061; (vc[d] &#043; dp[x]) % P;<br \/>\nfor (int y : G[x]) if (y !&#061; fa &amp;&amp; c[y] &#061;&#061; c[x]) {<br \/>\n\/\/ \u53ea\u5728\u5f53\u524d\u540c\u4e2a\u56fd\u5bb6\u904d\u5386<br \/>\nget_vc(vc, y, x, d &#043; 1);<br \/>\n}<br \/>\n}<\/p>\n<p>\/\/ \u904d\u5386 u \u8fde\u901a\u5757\u5f97\u5230 dp&#xff0c;x \u5f53\u524d\u8282\u70b9&#xff0c;fa \u662f v&#xff0c;d \u662f\u5f53\u524d\u8282\u70b9\u548c u \u7684\u8ddd\u79bb &#043; 1<br \/>\n\/\/ dp[x]&#xff1a;\u5f53 x \u4f5c\u4e3a\u5f53\u524d\u8fde\u901a\u5757\u7684\u9996\u90fd\u7684\u65b9\u6848\u6570\u4e4b\u548c&#xff08;\u5305\u62ec x \u6240\u8fde\u63a5\u7684\u4e0d\u540c\u7684\u5b50\u56fd\u5bb6&#xff09;<br \/>\n\/\/ \u56e0\u4e3a\u8fd9\u91cc\u7684 v \u5bf9\u4e8e x \u6765\u8bf4\u662f\u5b8c\u5168\u6ca1\u63a5\u89e6\u8fc7\u7684\u8282\u70b9&#xff0c;\u6240\u4ee5\u8ba1\u7b97\u65b9\u6848\u6570\u8981\u7528\u4e58\u6cd5\u539f\u7406<br \/>\nvoid get_dp(vector&lt;LL&gt; &amp;vc, int x, int fa, int vcon, int d) {<br \/>\n\/\/ \u5982\u679c u \u56fd\u5bb6\u7f16\u53f7 &lt; v \u56fd\u5bb6\u7f16\u53f7&#xff08;c[x] &lt; c[fa]&#xff09;<br \/>\n\/\/ \u90a3\u4e48\u76f8\u7b49\u65f6&#xff0c;\u9996\u90fd x \u5c31\u66f4\u5360\u4f18<br \/>\n\/\/ \u4e5f\u5c31\u662f\u5bf9\u4e8e\u8282\u70b9 u \u6765\u8bf4&#xff0c;\u5230 x \u7684\u8ddd\u79bb\u662f d<br \/>\n\/\/ \u5bf9\u4e8e\u8282\u70b9 v \u6765\u8bf4&#xff0c;\u5230\u81ea\u5df1\u9996\u90fd\u7684\u8ddd\u79bb\u53ef\u4ee5\u662f d \u6216\u8005 d &#8211; 1<br \/>\n\/\/ \u5373\u5bf9\u4e8e\u8282\u70b9 u \u6765\u8bf4&#xff0c;\u5230\u53e6\u4e00\u4e2a\u9996\u90fd\u7684\u8ddd\u79bb\u662f d &#043; 1 \u6216 d<br \/>\n\/\/ \u8fd9\u4e0d\u5f71\u54cd&#xff0c;\u56e0\u4e3a\u76f8\u7b49\u6709\u9650\u9009\u7f16\u53f7\u5c0f\u7684<\/p>\n<p>\/\/ \u90a3\u5230 v \u7684\u9996\u90fd\u8ddd\u79bb\u80fd\u4e0d\u80fd\u6bd4 d &#8211; 1 \u5c0f\u5462&#xff1f;<br \/>\n\/\/ \u4e0d\u80fd&#xff0c;\u4e0d\u7136 u \u4f1a\u53db\u53d8<br \/>\n\/\/ \u90a3\u5230 v \u7684\u9996\u90fd\u8ddd\u79bb\u80fd\u4e0d\u80fd\u6bd4 d \u5927\u5462&#xff1f;<br \/>\n\/\/ \u4e0d\u80fd&#xff0c;\u4e0d\u7136 v \u4f1a\u53db\u53d8 <\/p>\n<p>\/\/ \u5982\u679c v \u56fd\u5bb6\u7f16\u53f7 &lt; u \u56fd\u5bb6\u7f16\u53f7&#xff08;c[x] &gt; c[fa]&#xff09;<br \/>\n\/\/ \u90a3\u4e48\u76f8\u7b49\u65f6&#xff0c;v \u90a3\u8fb9\u7684\u9996\u90fd\u5c31\u66f4\u5360\u4f18<br \/>\n\/\/ \u4e5f\u5c31\u662f\u5bf9\u4e8e\u8282\u70b9 u \u6765\u8bf4&#xff0c;\u5230 x \u7684\u8ddd\u79bb\u662f d<br \/>\n\/\/ \u5bf9\u4e8e\u8282\u70b9 v \u6765\u8bf4&#xff0c;\u5230\u81ea\u5df1\u9996\u90fd\u7684\u8ddd\u79bb\u53ef\u4ee5\u662f d \u6216\u8005 d &#043; 1<br \/>\n\/\/ \u5373\u5bf9\u4e8e\u8282\u70b9 u \u6765\u8bf4&#xff0c;\u5230\u53e6\u4e00\u4e2a\u9996\u90fd\u7684\u8ddd\u79bb\u662f d &#043; 2 \u6216 d &#043; 1<br \/>\n\/\/ \u53ea\u6709\u5728\u4e25\u683c\u6bd4 d \u5927&#xff0c;\u8282\u70b9 u \u7684\u9996\u90fd\u624d\u4f1a\u9009\u62e9 d <\/p>\n<p>\/\/ \u90a3\u5230 v \u7684\u9996\u90fd\u8ddd\u79bb\u80fd\u4e0d\u80fd\u6bd4 d \u5c0f\u5462&#xff1f;<br \/>\n\/\/ \u4e0d\u80fd&#xff0c;\u4e0d\u7136 u \u4f1a\u53db\u53d8<br \/>\n\/\/ \u90a3\u5230 v \u7684\u9996\u90fd\u8ddd\u79bb\u80fd\u4e0d\u80fd\u6bd4 d &#043; 1 \u5927\u5462&#xff1f;<br \/>\n\/\/ \u4e0d\u80fd&#xff0c;\u4e0d\u7136 v \u4f1a\u53db\u53d8<br \/>\ndp[x] &#061; dp[x] * (vc[d] &#043; vc[d &#043; (c[x] &lt; vcon ? -1 : 1)] % P) % P;<br \/>\nfor (int y : G[x]) if (y !&#061; fa &amp;&amp; c[y] &#061;&#061; c[x]) {<br \/>\n\/\/ \u53ea\u5728\u5f53\u524d\u540c\u4e2a\u56fd\u5bb6\u904d\u5386<br \/>\nget_dp(vc, y, x, vcon, d &#043; 1);<br \/>\n}<br \/>\n}<\/p>\n<p>void dfs(int u, int fa) {<br \/>\nhavec[c[u]] &#043;&#061; (c[u] !&#061; c[fa]);<br \/>\nif (havec[c[u]] &gt;&#061; 2) {<br \/>\nflag &#061; 0;<br \/>\nreturn ;<br \/>\n}<\/p>\n<p>for (int v : G[u]) if (v !&#061; fa) {<br \/>\ndfs(v, u);<br \/>\nif (c[u] !&#061; c[v]) {   \/\/ \u53ea\u6709\u56fd\u5883\u8fb9\u9700\u8981\u8003\u8651\u66f4\u6539\u9996\u90fd<br \/>\n\/\/ \u5904\u7406\u597d\u56fd\u5883\u8fb9\u7684\u9996\u90fd\u5206\u914d&#xff0c;\u5176\u4ed6\u70b9\u4e00\u5b9a\u6ca1\u95ee\u9898<br \/>\nvector&lt;LL&gt; vc(n &#043; 5, 0);<br \/>\nget_vc(vc, v, u, 1);<br \/>\nget_dp(vc, u, v, c[v], 1);<br \/>\n}<br \/>\n}<br \/>\n}<\/p>\n<p>int main  () {<br \/>\nios::sync_with_stdio(false);<br \/>\ncin.tie(0);<\/p>\n<p>int T;<br \/>\ncin &gt;&gt; T;<br \/>\nwhile (T &#8211;) {<br \/>\ncin &gt;&gt; n &gt;&gt; K;<br \/>\nfor (int i &#061; 0; i &lt;&#061; n; i &#043;&#043;) {<br \/>\nc[i] &#061; havec[i] &#061; 0;<br \/>\ndp[i] &#061; 1;   \/\/ \u8ba9\u6bcf\u4e2a\u8282\u70b9\u4f5c\u4e3a\u9996\u90fd\u5404\u6709\u4e00\u79cd\u65b9\u6848<br \/>\nG[i].clear();<br \/>\nco[i].clear();<br \/>\n}<br \/>\nfor (int i &#061; 1; i &lt; n; i &#043;&#043;) {<br \/>\nint u, v;<br \/>\ncin &gt;&gt; u &gt;&gt; v;<br \/>\nG[u].push_back(v);<br \/>\nG[v].push_back(u);<br \/>\n}<br \/>\nfor (int i &#061; 1; i &lt;&#061; n; i &#043;&#043;) {<br \/>\ncin &gt;&gt; c[i];<br \/>\nco[c[i]].push_back(i);<br \/>\n}<\/p>\n<p>flag &#061; 1;<br \/>\ndfs(1, 0);  \/\/ \u6211\u4eec\u5047\u8bbe 1 \u53f7\u8282\u70b9\u662f\u6811\u6839<br \/>\n\/\/ \u6240\u4ee5 co[1] \u5c31\u662f\u6700\u9876\u4e0a\u7684\u90a3\u4e2a\u56fd\u5bb6<br \/>\n\/\/ \u5176\u4ed6\u56fd\u5bb6\u90fd\u662f\u5b83\u7684\u201c\u5b50\u56fd\u5bb6\u201d <\/p>\n<p>for (int i &#061; 1; i &lt;&#061; K; i &#043;&#043;) if (havec[i] !&#061; 1) {<br \/>\nflag &#061; 0;<br \/>\nbreak;<br \/>\n}<\/p>\n<p>if (flag &#061;&#061; 0) {<br \/>\ncout &lt;&lt; &#034;0\\\\n&#034;;<br \/>\ncontinue;<br \/>\n}<\/p>\n<p>LL ans &#061; 0;<br \/>\nfor (int i : co[c[1]]) {<br \/>\n\/\/ \u5230\u6700\u540e\u7edf\u8ba1\u7b54\u6848\u65f6&#xff0c;\u6211\u4eec\u53ea\u5173\u6ce8 co[1] \u91cc\u7684\u70b9<br \/>\n\/\/ \u56e0\u4e3a\u5176\u4ed6\u70b9\u4e00\u5b9a\u901a\u8fc7 dfs \u7edf\u8ba1\u8d21\u732e\u5230\u8fd9\u91cc\u9762\u7684\u70b9\u4e86<br \/>\n\/\/ \u6700\u540e\u7528\u52a0\u6cd5\u539f\u7406\u5c06 co[1] \u91cc\u6bcf\u4e2a\u70b9\u4f5c\u4e3a\u9996\u90fd\u7684\u65b9\u6848\u6570\u52a0\u5728\u4e00\u8d77<br \/>\nans &#061; (ans &#043; dp[i]) % P;<br \/>\n}<br \/>\ncout &lt;&lt; ans &lt;&lt; &#034;\\\\n&#034;;<br \/>\n}<\/p>\n<p>return 0;<br \/>\n}  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>P10060 [SNOI2024] \u6811 V \u56fe &#8211; \u6d1b\u8c37 (luogu.com.cn)<br \/>\n\u6211\u62ff\u5230\u4e86\u4e4c\u4e4c\u548c\u54d1\u54d1\u7684\u6307\u5076&#xff0c;\u592a\u840c\u4e86\u3002<br \/>\n\u50cf\u9ec4\u8c46\u997c\u548c\u5de7\u514b\u529b&#xff0c;\u53ef\u4ee5\u4eb2\u5634\u4e4b\u7269\u3002 0.\u5206\u6790<br \/>\n\u65e0\u5411\u6811\u3002<br \/>\n\u5176\u5b9e\u6211\u4eec\u53ef\u4ee5\u7406\u89e3\u9898\u610f\u4e3a\u7ed9\u6bcf\u4e2a\u70b9\u5b9a\u597d\u4e86\u4e00\u4e2a\u56fd\u5bb6&#xff0c;\u6bcf\u4e2a\u56fd\u5bb6\u5fc5\u6709\u4e00\u4e2a\u9996\u90fd\u3002<br \/>\n\u800c\u6bcf\u4e2a\u70b9\u4e0e\u96b6\u5c5e\u7684\u90a3\u4e2a\u56fd\u5bb6\u7684\u9996\u90fd\u7684\u8ddd\u79bb&#xff0c;\u4e00\u5b9a\u662f\u5b83\u4e0e\u6240\u6709\u9996\u90fd\u4e2d\u6700\u5c0f\u7684\u3002<br \/>\n\u5f53\u7136&#xff0c;\u4e0e\u4e24\u4e2a\u9996\u90fd\u8ddd\u79bb\u4e00\u6837\u65f6\u9009\u7f16\u53f7\u5c0f\u7684\u90a3\u4e2a\u3002<br \/>\n\u73b0\u5728\u6211\u4eec\u77e5\u9053\u6bcf\u4e2a\u70b9\u96b6\u5c5e\u7684\u56fd\u5bb6&amp;#xf<\/p>\n","protected":false},"author":2,"featured_media":101308,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,2865,427],"topic":[],"class_list":["post-101309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-2865","tag-427"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010\u9898\u89e3\u3011P10060 [SNOI2024] \u6811 V \u56fe - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/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:\/\/www.wsisp.com\/helps\/101309.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010\u9898\u89e3\u3011P10060 [SNOI2024] \u6811 V \u56fe - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"P10060 [SNOI2024] \u6811 V \u56fe - \u6d1b\u8c37 (luogu.com.cn) \u6211\u62ff\u5230\u4e86\u4e4c\u4e4c\u548c\u54d1\u54d1\u7684\u6307\u5076&#xff0c;\u592a\u840c\u4e86\u3002 \u50cf\u9ec4\u8c46\u997c\u548c\u5de7\u514b\u529b&#xff0c;\u53ef\u4ee5\u4eb2\u5634\u4e4b\u7269\u3002 0.\u5206\u6790 \u65e0\u5411\u6811\u3002 \u5176\u5b9e\u6211\u4eec\u53ef\u4ee5\u7406\u89e3\u9898\u610f\u4e3a\u7ed9\u6bcf\u4e2a\u70b9\u5b9a\u597d\u4e86\u4e00\u4e2a\u56fd\u5bb6&#xff0c;\u6bcf\u4e2a\u56fd\u5bb6\u5fc5\u6709\u4e00\u4e2a\u9996\u90fd\u3002 \u800c\u6bcf\u4e2a\u70b9\u4e0e\u96b6\u5c5e\u7684\u90a3\u4e2a\u56fd\u5bb6\u7684\u9996\u90fd\u7684\u8ddd\u79bb&#xff0c;\u4e00\u5b9a\u662f\u5b83\u4e0e\u6240\u6709\u9996\u90fd\u4e2d\u6700\u5c0f\u7684\u3002 \u5f53\u7136&#xff0c;\u4e0e\u4e24\u4e2a\u9996\u90fd\u8ddd\u79bb\u4e00\u6837\u65f6\u9009\u7f16\u53f7\u5c0f\u7684\u90a3\u4e2a\u3002 \u73b0\u5728\u6211\u4eec\u77e5\u9053\u6bcf\u4e2a\u70b9\u96b6\u5c5e\u7684\u56fd\u5bb6&amp;#xf\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/101309.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-06T07:57:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260906075715-6a9d1cdb4e42f.jpg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/101309.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/101309.html\",\"name\":\"\u3010\u9898\u89e3\u3011P10060 [SNOI2024] \u6811 V \u56fe - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-09-06T07:57:16+00:00\",\"dateModified\":\"2026-09-06T07:57:16+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/101309.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/101309.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/101309.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u3010\u9898\u89e3\u3011P10060 [SNOI2024] \u6811 V \u56fe\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u3010\u9898\u89e3\u3011P10060 [SNOI2024] \u6811 V \u56fe - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/101309.html","og_locale":"zh_CN","og_type":"article","og_title":"\u3010\u9898\u89e3\u3011P10060 [SNOI2024] \u6811 V \u56fe - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"P10060 [SNOI2024] \u6811 V \u56fe - \u6d1b\u8c37 (luogu.com.cn) \u6211\u62ff\u5230\u4e86\u4e4c\u4e4c\u548c\u54d1\u54d1\u7684\u6307\u5076&#xff0c;\u592a\u840c\u4e86\u3002 \u50cf\u9ec4\u8c46\u997c\u548c\u5de7\u514b\u529b&#xff0c;\u53ef\u4ee5\u4eb2\u5634\u4e4b\u7269\u3002 0.\u5206\u6790 \u65e0\u5411\u6811\u3002 \u5176\u5b9e\u6211\u4eec\u53ef\u4ee5\u7406\u89e3\u9898\u610f\u4e3a\u7ed9\u6bcf\u4e2a\u70b9\u5b9a\u597d\u4e86\u4e00\u4e2a\u56fd\u5bb6&#xff0c;\u6bcf\u4e2a\u56fd\u5bb6\u5fc5\u6709\u4e00\u4e2a\u9996\u90fd\u3002 \u800c\u6bcf\u4e2a\u70b9\u4e0e\u96b6\u5c5e\u7684\u90a3\u4e2a\u56fd\u5bb6\u7684\u9996\u90fd\u7684\u8ddd\u79bb&#xff0c;\u4e00\u5b9a\u662f\u5b83\u4e0e\u6240\u6709\u9996\u90fd\u4e2d\u6700\u5c0f\u7684\u3002 \u5f53\u7136&#xff0c;\u4e0e\u4e24\u4e2a\u9996\u90fd\u8ddd\u79bb\u4e00\u6837\u65f6\u9009\u7f16\u53f7\u5c0f\u7684\u90a3\u4e2a\u3002 \u73b0\u5728\u6211\u4eec\u77e5\u9053\u6bcf\u4e2a\u70b9\u96b6\u5c5e\u7684\u56fd\u5bb6&amp;#xf","og_url":"https:\/\/www.wsisp.com\/helps\/101309.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-09-06T07:57:16+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260906075715-6a9d1cdb4e42f.jpg"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/101309.html","url":"https:\/\/www.wsisp.com\/helps\/101309.html","name":"\u3010\u9898\u89e3\u3011P10060 [SNOI2024] \u6811 V \u56fe - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-09-06T07:57:16+00:00","dateModified":"2026-09-06T07:57:16+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/101309.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/101309.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/101309.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u3010\u9898\u89e3\u3011P10060 [SNOI2024] \u6811 V \u56fe"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/101309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=101309"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/101309\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/101308"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=101309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=101309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=101309"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=101309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}