{"id":2964,"date":"2022-06-17T21:43:09","date_gmt":"2022-06-17T12:43:09","guid":{"rendered":"https:\/\/k.foolslab.net\/dailyreport\/?p=2964"},"modified":"2022-06-17T21:43:10","modified_gmt":"2022-06-17T12:43:10","slug":"2022-6-17","status":"publish","type":"post","link":"https:\/\/k.foolslab.net\/dailyreport\/2022-6-17\/","title":{"rendered":"2022\/6\/17(\u91d1)"},"content":{"rendered":"\n<p>\u6628\u65e5\u306f\u9045\u304f\u307e\u3067\u8d77\u304d\u3066\u3044\u305f\u306e\u3067\u4eca\u671d\u306f\u5bdd\u574a\u3057\u3066\u3057\u307e\u3063\u305f\u3002\u65e5\u8ab2\u306e\u30e9\u30b8\u30aa\u4f53\u64cd\u3084\u671d\u306e\u8aad\u66f8\u3068\u304b\u3082\u51fa\u6765\u306a\u304b\u3063\u305f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator 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class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u4eca\u65e5\u89e3\u3044\u305f\u7af6\u30d7\u30ed\u306e\u554f\u984c\u3002<\/p>\n\n\n\n<p>ABC210-E: \u6700\u5c0f\u5168\u57df\u6728\u306b\u3057\u305f\u3044\u3068\u3053\u308d\u3060\u304c\u3001\u6b8b\u5ff5\u306a\u304c\u3089N\u304c\u5927\u304d\u3044\u306e\u3067\u305d\u306e\u307e\u307e\u9069\u7528\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002<\/p>\n\n\n\n<p>\u3068\u308a\u3042\u3048\u305a\u4e00\u756a\u30b3\u30b9\u30c8\u306e\u4f4e\u3044\u8fba\u3060\u3051\u4f7f\u3063\u3066\u5168\u57df\u6728\u306b\u51fa\u6765\u308b\u306a\u3089\u5132\u3051\u3082\u306e\u306a\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305a\u3042\u308b\u540c\u3058\u64cd\u4f5c$(A_i, C_i)$\u3060\u3051\u4f7f\u3063\u3066\u7e4b\u3052\u3089\u308c\u308b\u3060\u3051\u7e4b\u3052\u3066\u307f\u308b\u3053\u3068\u3092\u8003\u3048\u308b\u3002\u3059\u308b\u3068\u3001\u305d\u308c\u305e\u308c$N\/gcd(A_i, N)$\u306e\u9802\u70b9\u3092\u6301\u3064$gcd(A_i,N)$\u500b\u306e\u9023\u7d50\u6210\u5206\u306b\u51fa\u6765\u308b\u3053\u3068\u304c\u5206\u304b\u308b\u3002\u5b9f\u9a13\u3057\u305f\u3089\u591a\u5206\u3053\u306e\u5f0f\u3067\u5408\u3063\u3066\u308b\u3060\u308d\u3046\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u51fa\u3057\u305f\u306e\u3067\u53b3\u5bc6\u306a\u8a3c\u660e\u306f\u3057\u3066\u306a\u3044\u3002\u3053\u308c\u306b\u304b\u304b\u308b\u30b3\u30b9\u30c8\u306f$C_i \\times (N\/gcd(A_i, N) &#8211; 1) \\times gcd(A_i, N)$\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u9023\u7d50\u6210\u5206\u306f\u56de\u8ee2\u5bfe\u79f0\u3067\u3042\u3063\u3066\u3001\u3053\u3063\u304b\u3089\u3055\u3089\u306b\u5225\u306e\u64cd\u4f5c\u3092\u7528\u3044\u3066\u7e4b\u3052\u3066\u3044\u304f\u306b\u3057\u3066\u3082\u3001\u5143\u306e\u9023\u7d50\u6210\u5206\u304c$X$\u500b\u306a\u3089\u3070\u305d\u308c\u3092\u3064\u306a\u3052\u3066$gcd(A_i, X)$\u500b\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u8981\u3059\u308b\u306bN\u306b\u5bfe\u3057\u3066\u3069\u3093\u3069\u3093$A_i$\u3068\u306egcd\u3092\u3068\u3063\u3066\u3044\u3063\u30661\u306b\u3057\u3088\u3046\u307f\u305f\u3044\u306a\u8a71\u306b\u306a\u308b\u3002\u3042\u3068\u306f\u305d\u306e\u305f\u3081\u306e\u6700\u5c0f\u30b3\u30b9\u30c8\u304c\u6c42\u307e\u308c\u3070\u826f\u3044\u3002<\/p>\n\n\n\n<p>dp\u306a\u308a\u30c0\u30a4\u30af\u30b9\u30c8\u30e9\u306a\u308a\u3092\u4f7f\u3048\u3070\u6700\u5c0f\u30b3\u30b9\u30c8\u3092\u6c42\u3081\u3089\u308c\u308b\u3002\u9023\u7d50\u6210\u5206\u306e\u6570\u306f$N$\u306e\u7d04\u6570\u306b\u3057\u304b\u306a\u308a\u5f97\u306a\u3044\u3002N\u306f$\\leq 10^9$\u3068\u5927\u304d\u3044\u304c\u3001\u7d04\u6570\u306f$O(\\sqrt{N})$\u3067\u5217\u6319\u3067\u304d\u3001\u7d04\u6570\u306e\u6570\u305d\u308c\u81ea\u4f53\u306f\u9ad8\u30051400\u500b\u7a0b\u5ea6\u3067\u3042\u308b\u3002\u306a\u306e\u3067$(N\u306e\u7d04\u6570)$\u500b\u306e\u9802\u70b9\u3068$M\\times (N\u306e\u7d04\u6570)$\u500b\u306e\u8fba\u304c\u3042\u308b\u3068\u8003\u3048\u3066\u3082\u5341\u5206\u9593\u306b\u5408\u3046\u3002<\/p>\n\n\n\n<p>\u306a\u304b\u306a\u304b\u6c17\u6301\u3061\u306e\u826f\u3044\u554f\u984c\u3060\u3063\u305f\u306e\u3060\u304c\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306b\u6c17\u4ed8\u304b\u305aWA\u3092\u51fa\u3057\u307e\u304f\u3063\u305f\u3002\u521d\u6b69\u7684\u306a\u30df\u30b9\u306b\u6c17\u4ed8\u3051\u306a\u3044\u306e\u3082\u30fc\u3084\u3060\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u4eca\u65e5\u6442\u53d6\u3057\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/logmi.jp\/tech\/articles\/326777\">https:\/\/logmi.jp\/tech\/articles\/326777<\/a><\/p>\n\n\n\n<p>\u4f8b\u306eRust\u306e\u30a4\u30d9\u30f3\u30c8\u306e\u5927\u96d1\u628a\u306a\u30d7\u30ec\u30bc\u30f3\u5185\u5bb9\u3002\u3053\u3093\u306a\u611f\u3058\u306e\u3053\u3068\u8a71\u3057\u3066\u305f\u306e\u304b\u3002\u601d\u3063\u305f\u3088\u308aWeb\u521d\u5fc3\u8005\u5411\u3051\u306e\u77e5\u8b58\u3082\u7d39\u4ecb\u3057\u3066\u3044\u308b\u611f\u3058\u3002<\/p>\n\n\n\n<p>Actix\u306f\u4e00\u5ea6\u3044\u308d\u3044\u308d\u4f7f\u3063\u3066\u307f\u3066\u5272\u3068(HTTP\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5468\u308a\u4ee5\u5916\u306f)\u5206\u304b\u308a\u3084\u3059\u3044\u306a\u3068\u3044\u3046\u611f\u60f3\u3060\u3063\u305f\u306e\u3060\u304c\u3001\u305d\u306e\u3068\u304d\u306f\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3068\u304bDI\u5468\u308a\u306f\u3044\u3058\u3063\u3066\u3044\u306a\u304b\u3063\u305f\u306a\u3002<\/p>\n\n\n\n<p>\u305d\u3082\u305d\u3082\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u3068\u3044\u3046\u3082\u306e\u306e\u826f\u3055\u3092\u81ea\u5206\u304c\u826f\u304f\u5206\u304b\u3063\u3066\u3044\u306a\u3044\u3068\u3044\u3046\u9762\u304c\u3042\u308b\u3002\u81ea\u5206\u304c\u89e6\u3063\u305f\u4ed6\u306eWeb\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3001Laravel\u3068\u304bdrogon\u3068\u304b\u3082\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u306f\u3042\u3063\u305f\u304c\u3001\u81ea\u5206\u306f\u7d50\u5c40\u5927\u3057\u3066\u89e6\u3063\u3066\u3044\u306a\u3044\u3002\u306a\u3093\u304b\u591a\u5206\u3042\u308b\u7a0b\u5ea6\u306e\u898f\u6a21\u306e\u3082\u306e\u3092\u958b\u767a\u3057\u306a\u3044\u3068\u3042\u308a\u304c\u305f\u307f\u304c\u5206\u304b\u3089\u306a\u3044\u3093\u3060\u308d\u3046\u306a\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u8155\u7acb\u3066\u3092\u3084\u3063\u305f\u3002\u663c\u9593\u306b\u6c17\u529b\u304c\u6e67\u304b\u306a\u304b\u3063\u305f\u306e\u3067\u5915\u98ef\u5f8c\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u3002<\/p>\n\n\n\n<p>\u6628\u65e5\u306e\u30b9\u30af\u30ef\u30c3\u30c8\u306e\u7b4b\u8089\u75db\u304c\u5c11\u3057\u3042\u308b\u3002\u3061\u3083\u3093\u3068\u52b9\u3044\u3066\u3044\u308b\u3063\u307d\u304f\u3066\u5b09\u3057\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6628\u65e5\u306f\u9045\u304f\u307e\u3067\u8d77\u304d\u3066\u3044\u305f\u306e\u3067\u4eca\u671d\u306f\u5bdd\u574a\u3057\u3066\u3057\u307e\u3063\u305f\u3002\u65e5\u8ab2\u306e\u30e9\u30b8\u30aa\u4f53\u64cd\u3084\u671d\u306e\u8aad\u66f8\u3068\u304b\u3082\u51fa\u6765\u306a\u304b\u3063\u305f\u3002 \u30b5\u30fc\u30af\u30eb\u3067\u4f7f\u3046\u8cc7\u6599\u4f5c\u6210\u4f5c\u696d\u3092\u9032\u3081\u305f\u3002\u6b63\u76f4\u3042\u307e\u308a\u306f\u304b\u3069\u3089\u306a\u304b\u3063\u305f\u304c\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u6c7a\u3081\u3066\u3044\u305f\u304a\u304b\u3052\u3067\u591a\u5c11\u80fd\u7387\u306f\u843d\u3061\u306a\u304c\u3089\u3082 &hellip; <\/p>\n<div><a href=\"https:\/\/k.foolslab.net\/dailyreport\/2022-6-17\/\" class=\"more\">Read more &raquo;<span class=\"screen-reader-text\"> &#8220;2022\/6\/17(\u91d1)&#8221;<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2964","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/2964","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/comments?post=2964"}],"version-history":[{"count":4,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/2964\/revisions"}],"predecessor-version":[{"id":2968,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/2964\/revisions\/2968"}],"wp:attachment":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/media?parent=2964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/categories?post=2964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/tags?post=2964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}