{"id":144,"date":"2026-05-16T11:10:14","date_gmt":"2026-05-16T03:10:14","guid":{"rendered":"https:\/\/huxiaole.cloud\/?p=144"},"modified":"2026-05-20T18:31:46","modified_gmt":"2026-05-20T10:31:46","slug":"p1127-%e8%af%8d%e9%93%be","status":"publish","type":"post","link":"https:\/\/huxiaole.cloud\/index.php\/2026\/05\/16\/p1127-%e8%af%8d%e9%93%be\/","title":{"rendered":"P1127 \u8bcd\u94fe"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">P1127 \u8bcd\u94fe<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u9898\u76ee\u63cf\u8ff0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5355\u8bcd X \u7684\u672b\u5b57\u6bcd\u4e0e\u5355\u8bcd Y \u7684\u9996\u5b57\u6bcd\u76f8\u540c\uff0c\u5219 X \u4e0e Y \u53ef\u4ee5\u76f8\u8fde\u6210 X.Y\u3002\uff08\u6ce8\u610f\uff1aX\u3001Y \u4e4b\u95f4\u662f\u82f1\u6587\u7684\u53e5\u53f7 <code>.<\/code>\uff09\u3002\u4f8b\u5982\uff0c\u5355\u8bcd <code>dog<\/code> \u4e0e\u5355\u8bcd <code>gopher<\/code>\uff0c\u5219 <code>dog<\/code> \u4e0e <code>gopher<\/code> \u53ef\u4ee5\u76f8\u8fde\u6210 <code>dog.gopher<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53e6\u5916\u8fd8\u6709\u4e00\u4e9b\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>dog.gopher<\/code><\/li>\n\n\n\n<li><code>gopher.rat<\/code><\/li>\n\n\n\n<li><code>rat.tiger<\/code><\/li>\n\n\n\n<li><code>aloha.aloha<\/code><\/li>\n\n\n\n<li><code>arachnid.dog<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fde\u63a5\u6210\u7684\u8bcd\u53ef\u4ee5\u4e0e\u5176\u4ed6\u5355\u8bcd\u76f8\u8fde\uff0c\u7ec4\u6210\u66f4\u957f\u7684\u8bcd\u94fe\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>aloha.arachnid.dog.gopher.rat.tiger<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ce8\u610f\u5230\uff0c<code>.<\/code> \u4e24\u8fb9\u7684\u5b57\u6bcd\u4e00\u5b9a\u662f\u76f8\u540c\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u7ed9\u4f60\u4e00\u4e9b\u5355\u8bcd\uff0c\u8bf7\u4f60\u627e\u5230\u5b57\u5178\u5e8f\u6700\u5c0f\u7684\u8bcd\u94fe\uff0c\u4f7f\u5f97\u6bcf\u4e2a\u5355\u8bcd\u5728\u8bcd\u94fe\u4e2d\u51fa\u73b0\u4e14\u4ec5\u51fa\u73b0\u4e00\u6b21\u3002\u6ce8\u610f\uff0c\u76f8\u540c\u7684\u5355\u8bcd\u82e5\u51fa\u73b0\u4e86 k \u6b21\u5c31\u9700\u8981\u8f93\u51fa k \u6b21\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8f93\u5165\u683c\u5f0f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e00\u884c\u662f\u4e00\u4e2a\u6b63\u6574\u6570 n$\uff081 \\le n \\le 1000\uff09$\uff0c\u4ee3\u8868\u5355\u8bcd\u6570\u91cf\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\u5171\u6709 n \u884c\uff0c\u6bcf\u884c\u662f\u4e00\u4e2a\u7531 1 \u5230 20 \u4e2a\u5c0f\u5199\u5b57\u6bcd\u7ec4\u6210\u7684\u5355\u8bcd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8f93\u51fa\u683c\u5f0f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ea\u6709\u4e00\u884c\uff0c\u8868\u793a\u7ec4\u6210\u5b57\u5178\u5e8f\u6700\u5c0f\u7684\u8bcd\u94fe\uff0c\u82e5\u4e0d\u5b58\u5728\u5219\u53ea\u8f93\u51fa\u4e09\u4e2a\u661f\u53f7 <code>***<\/code>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8f93\u5165\u8f93\u51fa\u6837\u4f8b #1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8f93\u5165 #1<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>6\naloha\narachnid\ndog\ngopher\nrat\ntiger\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u8f93\u51fa #1<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>aloha.arachnid.dog.gopher.rat.tiger\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u8bf4\u660e\/\u63d0\u793a<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u4e8e$ 40\\% $\u7684\u6570\u636e\uff0c\u6709$ n \\leq 10$\uff1b<\/li>\n\n\n\n<li>\u5bf9\u4e8e$ 100\\% $\u7684\u6570\u636e\uff0c\u6709$ n \\leq 1000$\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u601d\u8def<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">Gemini said<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u4e00\u9053\u975e\u5e38\u7ecf\u5178\u7684<strong>\u6709\u5411\u56fe\u6b27\u62c9\u8def\u5f84\uff08Eulerian Path\uff09<\/strong>\u95ee\u9898\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9898\u76ee\u5206\u6790\uff1a\u56fe\u8bba\u5efa\u6a21<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u53ef\u4ee5\u5c06\u8fd9\u9053\u9898\u8f6c\u5316\u4e3a\u56fe\u8bba\u6a21\u578b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8282\u70b9\uff08Vertices\uff09<\/strong>\uff1a26 \u4e2a\u5c0f\u5199\u82f1\u6587\u5b57\u6bcd\u3002<br><\/li>\n\n\n\n<li><strong>\u8fb9\uff08Edges\uff09<\/strong>\uff1a\u6bcf\u4e2a\u5355\u8bcd\u5bf9\u5e94\u4e00\u6761\u6709\u5411\u8fb9\u3002\u4f8b\u5982\uff0c<code>aloha<\/code> \u8868\u793a\u4e00\u6761\u4ece\u8282\u70b9 <code>a<\/code> \u6307\u5411\u8282\u70b9 <code>a<\/code> \u7684\u6709\u5411\u8fb9\uff0c<code>dog<\/code> \u8868\u793a\u4e00\u6761\u4ece <code>d<\/code> \u6307\u5411 <code>g<\/code> \u7684\u6709\u5411\u8fb9\u3002<br><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u9898\u76ee\u8981\u6c42\u201c\u6bcf\u4e2a\u5355\u8bcd\u5728\u8bcd\u94fe\u4e2d\u51fa\u73b0\u4e14\u4ec5\u51fa\u73b0\u4e00\u6b21\u201d\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u9700\u8981\u5728\u5efa\u597d\u7684\u6709\u5411\u56fe\u4e2d\u5bfb\u627e\u4e00\u6761<strong>\u5305\u542b\u6240\u6709\u8fb9\u7684\u8def\u5f84<\/strong>\uff0c\u4e5f\u5c31\u662f<strong>\u6b27\u62c9\u8def\u5f84<\/strong>\u3002\u540c\u65f6\uff0c\u9898\u76ee\u8981\u6c42\u7ed3\u679c\u5b57\u5178\u5e8f\u6700\u5c0f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6838\u5fc3\u7b97\u6cd5\uff1aHierholzer \u7b97\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5224\u65ad\u548c\u5bfb\u627e\u6709\u5411\u56fe\u6b27\u62c9\u8def\u5f84\u7684\u5b8c\u6574\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6309\u5b57\u5178\u5e8f\u9884\u5904\u7406<\/strong>\uff1a\u9996\u5148\u5c06\u6240\u6709\u5355\u8bcd\u6309\u5b57\u5178\u5e8f\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\u3002\u8fd9\u6837\u5728\u5efa\u56fe\u540e\uff0c\u5bf9\u6bcf\u4e2a\u8282\u70b9\uff0c\u5b83\u76f8\u90bb\u7684\u8fb9\u4e5f\u662f\u6309\u5b57\u5178\u5e8f\u6392\u5217\u7684\u3002<\/li>\n\n\n\n<li><strong>\u9a8c\u8bc1\u8fde\u901a\u6027\u548c\u5ea6\u6570\u6761\u4ef6<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u6709\u5411\u56fe\u5b58\u5728\u6b27\u62c9\u8def\u5f84\u7684\u5145\u8981\u6761\u4ef6\u662f\uff1a\n<ul class=\"wp-block-list\">\n<li><strong>\u6700\u591a\u53ea\u6709\u4e00\u4e2a<\/strong>\u8282\u70b9\u7684\u51fa\u5ea6\u6bd4\u5165\u5ea6\u5927 1\uff08\u4f5c\u4e3a\u8d77\u70b9\uff09\u3002<br><\/li>\n\n\n\n<li><strong>\u6700\u591a\u53ea\u6709\u4e00\u4e2a<\/strong>\u8282\u70b9\u7684\u5165\u5ea6\u6bd4\u51fa\u5ea6\u5927 1\uff08\u4f5c\u4e3a\u7ec8\u70b9\uff09\u3002<br><\/li>\n\n\n\n<li>\u5176\u4f59\u6240\u6709\u8282\u70b9\u7684\u5165\u5ea6\u548c\u51fa\u5ea6\u76f8\u7b49\u3002<br><\/li>\n\n\n\n<li>\u5982\u679c\u6240\u6709\u8282\u70b9\u7684\u5165\u5ea6\u548c\u51fa\u5ea6\u90fd\u76f8\u7b49\uff0c\u8bf4\u660e\u5b58\u5728<strong>\u6b27\u62c9\u56de\u8def<\/strong>\uff0c\u53ef\u4ee5\u4ece\u4efb\u610f\u5305\u542b\u8fb9\u7684\u8282\u70b9\u51fa\u53d1\uff08\u4e3a\u4e86\u5b57\u5178\u5e8f\u6700\u5c0f\uff0c\u9009\u5b57\u6bcd\u5e8f\u6700\u5c0f\u7684\u6709\u6548\u8282\u70b9\uff09\u3002<br><\/li>\n\n\n\n<li>\u6240\u6709\u8fb9\u5fc5\u987b\u5728\u4e00\u4e2a\u8fde\u901a\u5757\u5185\u3002<br><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>DFS \u904d\u5386\uff08Hierholzer \u7b97\u6cd5\uff09<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4ece\u786e\u5b9a\u7684\u8d77\u70b9\u5f00\u59cb\u6df1\u5ea6\u4f18\u5148\u641c\u7d22\u3002<br><\/li>\n\n\n\n<li>\u904d\u5386\u5f53\u524d\u8282\u70b9\u7684\u6240\u6709\u51fa\u8fb9\uff0c\u5982\u679c\u8fb9\u672a\u88ab\u8bbf\u95ee\u8fc7\uff0c\u6807\u8bb0\u4e3a\u5df2\u8bbf\u95ee\uff0c\u5e76\u9012\u5f52 DFS \u4e0b\u4e00\u4e2a\u8282\u70b9\u3002<br><\/li>\n\n\n\n<li><strong>\u5173\u952e\u70b9<\/strong>\uff1a\u5728\u9012\u5f52\u8fd4\u56de\u540e\uff08\u5373\u6ca1\u6709\u51fa\u8fb9\u53ef\u8d70\u65f6\uff09\uff0c\u5c06\u8be5\u8fb9\u52a0\u5165\u7b54\u6848\u6808\u3002<br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u7ed3\u679c\u9006\u5e8f<\/strong>\uff1a\u6700\u7ec8\u6808\u4e2d\u7684\u5143\u7d20\u51fa\u6808\u987a\u5e8f\uff08\u5373\u6570\u7ec4\u9006\u5e8f\uff09\u5c31\u662f\u6211\u4eec\u8981\u6c42\u7684\u8def\u5f84\u3002\u5982\u679c\u8def\u5f84\u5305\u542b\u7684\u8fb9\u6570\u4e0d\u7b49\u4e8e n\uff0c\u8bf4\u660e\u56fe\u4e0d\u8fde\u901a\uff0c\u8f93\u51fa <code>***<\/code>\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ee3\u7801<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u00a0Sunshine,\u00a0sunshine,\u00a0ladybugs\u00a0awake!  \n\/\/\u00a0Clap\u00a0your\u00a0hooves\u00a0and\u00a0do\u00a0a\u00a0little\u00a0shake!  \n#include\u00a0&lt;bits\/stdc++.h>  \n#define\u00a0int\u00a0long\u00a0long  \n#define\u00a0endl\u00a0'\\n'  \nusing\u00a0namespace\u00a0std;  \n  \nusing\u00a0PII=pair&lt;int,int>\u00a0;  \ninline\u00a0static\u00a0constexpr\u00a0int\u00a0MAXN=26;  \ninline\u00a0static\u00a0constexpr\u00a0int\u00a0mod=998244353;  \n  \nstruct\u00a0Edge{  \n\u00a0\u00a0\u00a0\u00a0int\u00a0to;  \n\u00a0\u00a0\u00a0\u00a0int\u00a0id;  \n\u00a0\u00a0\u00a0\u00a0string\u00a0word;  \n};  \n  \nvoid\u00a0solve()\u00a0{  \n\u00a0\u00a0\u00a0\u00a0int\u00a0n;cin>>n;  \n\u00a0\u00a0\u00a0\u00a0vector&lt;vector&lt;Edge>>\u00a0adj(26);  \n\u00a0\u00a0\u00a0\u00a0vector&lt;string>\u00a0s(n);  \n\u00a0\u00a0\u00a0\u00a0for(auto\u00a0&amp;i:s)cin>>i;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0sort(s.begin(),s.end());  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0vector&lt;int>\u00a0indeg(26,0);  \n\u00a0\u00a0\u00a0\u00a0vector&lt;int>\u00a0outdeg(26,0);  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0for(int\u00a0i=0;i&lt;n;i++){  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int\u00a0u=s&#91;i]&#91;0]-'a';  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int\u00a0v=s&#91;i].back()-'a';  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0indeg&#91;v]++;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0outdeg&#91;u]++;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0adj&#91;u].push_back({v,i,s&#91;i]});  \n\u00a0\u00a0\u00a0\u00a0}  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int\u00a0st=-1,ed=-1;  \n\u00a0\u00a0\u00a0\u00a0for(int\u00a0i=0;i&lt;26;i++){  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if(outdeg&#91;i]-indeg&#91;i]==1&amp;&amp;st==-1){  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0st=i;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}else\u00a0if(indeg&#91;i]-outdeg&#91;i]==1&amp;&amp;ed==-1)  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ed=i;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0else\u00a0if(indeg&#91;i]!=outdeg&#91;i]){  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout&lt;&lt;\"No\"&lt;&lt;endl;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return\u00a0;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}  \n\u00a0\u00a0\u00a0\u00a0}  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if(st==-1){  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0for(int\u00a0i=0;i&lt;26;i++){  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if(adj&#91;i].size()){  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0st=i;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0break;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}  \n\u00a0\u00a0\u00a0\u00a0}  \n\u00a0\u00a0\u00a0\u00a0vector&lt;int>\u00a0used(n,0);  \n\u00a0\u00a0\u00a0\u00a0vector&lt;int>\u00a0head(MAXN,0);  \n\u00a0\u00a0\u00a0\u00a0vector&lt;string>\u00a0ans;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0auto\u00a0dfs=&#91;&amp;](auto&amp;\u00a0self,int\u00a0u)->void{  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0while(head&#91;u]!=(int)adj&#91;u].size()){  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0auto\u00a0edge=adj&#91;u]&#91;head&#91;u]];  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0head&#91;u]++;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if(!used&#91;edge.id]){  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0used&#91;edge.id]=true;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self(self,edge.to);  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ans.push_back(edge.word);  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0};  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0dfs(dfs,st);  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if((int)ans.size()!=n){  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout&lt;&lt;\"***\"&lt;&lt;endl;  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return\u00a0;  \n\u00a0\u00a0\u00a0\u00a0}else{  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0for(int\u00a0i=(int)ans.size()-1;i>=0;i--){  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cout&lt;&lt;ans&#91;i]&lt;&lt;(i==0?\"\":\".\");  \n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}  \n\u00a0\u00a0\u00a0\u00a0}  \n}  \n  \nsigned\u00a0main()\u00a0{  \n\u00a0\u00a0\u00a0\u00a0ios_base::sync_with_stdio(false);  \n\u00a0\u00a0\u00a0\u00a0cin.tie(NULL);  \n\u00a0\u00a0\u00a0\u00a0\/\/int\u00a0t;cin\u00a0>>\u00a0t;while\u00a0(t--)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0solve();  \n\u00a0\u00a0\u00a0\u00a0return\u00a00;  \n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>P1127 \u8bcd\u94fe \u9898\u76ee\u63cf\u8ff0 \u5982\u679c\u5355\u8bcd X \u7684\u672b\u5b57\u6bcd\u4e0e\u5355\u8bcd Y \u7684\u9996\u5b57\u6bcd\u76f8\u540c\uff0c\u5219 X \u4e0e Y \u53ef\u4ee5\u76f8\u8fde\u6210 X.Y 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