{"id":975,"date":"2019-11-13T08:30:34","date_gmt":"2019-11-13T00:30:34","guid":{"rendered":"http:\/\/SmokeyDays.top\/wordpress\/?p=975"},"modified":"2019-11-13T08:30:34","modified_gmt":"2019-11-13T00:30:34","slug":"lp4430-%e7%8c%b4%e5%ad%90%e6%89%93%e6%9e%b6-prufer-%e5%ba%8f%e5%88%97","status":"publish","type":"post","link":"http:\/\/SmokeyDays.top\/wordpress\/2019\/11\/13\/lp4430-%e7%8c%b4%e5%ad%90%e6%89%93%e6%9e%b6-prufer-%e5%ba%8f%e5%88%97\/","title":{"rendered":"lp4430 \u7334\u5b50\u6253\u67b6\/Prufer \u5e8f\u5217"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p>\u989d&#8230;\u770b\u8d77\u6765\u662f\u4e00\u9053\u627e\u89c4\u5f8b\u9898\uff0c\u5b9e\u9645\u4e0a\u8fd8\u662f\u633a\u6709\u95e8\u9053\u7684\u3002<\/p>\n\n\n\n<p>\u9898\u76ee\u7684\u9898\u610f\u5c31\u662f\uff0c\u6c42 n \u4e2a\u70b9\u7684\u70b9\u3001\u8fb9\u5747\u6709\u6807\u53f7\u7684\u751f\u6210\u6811\u4e2a\u6570\u3002<\/p>\n\n\n\n<p>n 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RT=1;\n\twhile(X){\n\t\tif(X&amp;1){\n\t\t\tRT*=A;\n\t\t\tRT%=MOD;\n\t\t}\n\t\tA*=A;A%=MOD;X>>=1;\n\t}\n\treturn RT;\n}\nint n;\nvoid init(){\n\tscanf(\"%d\",&amp;n);\n\tll fac=1;\n\tfor(int i=1;i&lt;n;++i){\n\t\tfac=fac*i%MOD;\n\t}\n\tprintf(\"%lld\\n\",pw(n,n-2)*fac%MOD);\n}\nint main(){\n\tinit();\n\treturn 0;\n}\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u989d&#8230;\u770b\u8d77\u6765\u662f\u4e00\u9053\u627e\u89c4\u5f8b\u9898\uff0c\u5b9e\u9645\u4e0a\u8fd8\u662f\u633a\u6709\u95e8\u9053\u7684\u3002 \u9898\u76ee\u7684\u9898\u610f\u5c31\u662f\uff0c\u6c42 n \u4e2a\u70b9\u7684\u70b9\u3001\u8fb9\u5747\u6709\u6807\u53f7\u7684\u751f &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/SmokeyDays.top\/wordpress\/2019\/11\/13\/lp4430-%e7%8c%b4%e5%ad%90%e6%89%93%e6%9e%b6-prufer-%e5%ba%8f%e5%88%97\/\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201clp4430 \u7334\u5b50\u6253\u67b6\/Prufer \u5e8f\u5217\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[127,30,56,6,5],"tags":[],"_links":{"self":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/975"}],"collection":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/comments?post=975"}],"version-history":[{"count":1,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/975\/revisions"}],"predecessor-version":[{"id":976,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/posts\/975\/revisions\/976"}],"wp:attachment":[{"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/media?parent=975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/categories?post=975"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/SmokeyDays.top\/wordpress\/wp-json\/wp\/v2\/tags?post=975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}