{"id":192,"date":"2011-08-23T12:35:50","date_gmt":"2011-08-23T04:35:50","guid":{"rendered":"http:\/\/wangkaixuan.tech\/?p=192"},"modified":"2020-06-04T12:36:28","modified_gmt":"2020-06-04T04:36:28","slug":"%e7%99%be%e7%bb%832698-%e5%85%ab%e7%9a%87%e5%90%8e","status":"publish","type":"post","link":"http:\/\/www.wangkaixuan.tech\/?p=192","title":{"rendered":"\u767e\u7ec32698 \u516b\u7687\u540e"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>\/*\n\u6ce8\u610f\u8f93\u51fa\u65f6\u662f\u5217\u4f18\u5148\u8f93\u51fa\n\u5426\u5219\u4f1aWA \n*\/\n#include&lt;iostream>\n#include&lt;cstring>\n#include&lt;cmath>\nusing namespace std;\nint queen&#91;10],ncase=1;\nbool legal(int depth,int n)\n{\n\tint i;\n\tfor(i=1;i&lt;depth;i++)\n\t\tif(n==queen&#91;i]||((int)fabs((double)n-(double)queen&#91;i])==depth-i))\n\t\t\treturn false;\n\treturn true;\n}\nvoid print()\n{\n\tcout&lt;&lt;\"No. \"&lt;&lt;(ncase++)&lt;&lt;endl;\n    int i,j,map&#91;9]&#91;9];\n\tmemset(map,0,sizeof(map));\n\tfor(i=1;i&lt;=8;i++)\n\t\tmap&#91;i]&#91;queen&#91;i]]=1;\n\tfor(i=1;i&lt;=8;i++)\n\t{\n         for(j=1;j&lt;=8;j++)\n         {\n               if(j==1)cout&lt;&lt;map&#91;j]&#91;i];\n               else cout&lt;&lt;\" \"&lt;&lt;map&#91;j]&#91;i];                 \n         }                \n         cout&lt;&lt;endl;\n     }\n}\nvoid DFS(int depth)\n{\n\tif(depth>8) return;\n\tint i;\n\tfor(i=1;i&lt;=8;i++)\n\t{\n\t\tif(legal(depth,i))\n\t\t{\n\t\t\tqueen&#91;depth]=i;\n\t\t\tDFS(depth+1);\n\t\t\tif(depth==8)\n\t\t\t\tprint();\n\t\t}\n\t}\n}\nint main()\n{\n\t\/\/\tfreopen(\"output.txt\",\"w\",stdout);\n\t    DFS(1);\n\t\treturn 0;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-192","post","type-post","status-publish","format-standard","hentry","category-06-01-acm"],"_links":{"self":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts\/192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=192"}],"version-history":[{"count":0,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=\/wp\/v2\/posts\/192\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=192"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.wangkaixuan.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}