{"id":3172,"date":"2022-08-02T23:41:29","date_gmt":"2022-08-02T14:41:29","guid":{"rendered":"https:\/\/k.foolslab.net\/dailyreport\/?p=3172"},"modified":"2022-08-03T00:23:44","modified_gmt":"2022-08-02T15:23:44","slug":"2022-8-2","status":"publish","type":"post","link":"https:\/\/k.foolslab.net\/dailyreport\/2022-8-2\/","title":{"rendered":"2022\/8\/2(\u706b)"},"content":{"rendered":"\n<p>\u4eca\u9031\u306e\u80ce\u754c\u4e3b\u3092\u8aad\u3093\u3060\u3002\u30eb\u30fc\u30b5\u30fc\u601d\u3044\u3063\u304d\u308a\u6a5f\u5bc6\u30d0\u30e9\u3057\u3066\u306a\u3044\u304b\u3053\u308c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u3053\u306e\u306f\u30ab\u30ec\u30f3\u30c0\u30fc\u3092\u3081\u304f\u3063\u305f\u3002\u6c34\u7740\u3048\u3048\u306a\u3002\u304a\u3063\u3055\u3093\u307f\u305f\u3044\u306a\u611f\u60f3\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u3002<\/p>\n\n\n\n<hr 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>ARC145-B: \u30b2\u30fc\u30e0n\u306b\u304a\u3044\u3066\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>$n&lt;A$\u306a\u3089Bob\u306e\u52dd\u3061\u3002(\u521d\u624bAlice\u624b\u8a70\u307e\u308a)<\/li><li>$n\\geq A$\u304b\u3064$B &gt; n \\% A$\u306a\u3089Alice\u306e\u52dd\u3061\u3002(\u521d\u624bAlice\u304c\u53d6\u308c\u308b\u3060\u3051\u53d6\u3063\u3066\u52dd\u3061)<\/li><li>$n\\geq A$\u304b\u3064$B \\leq n \\% A$\u306a\u3089Bob\u306e\u52dd\u3061\u3002($B \\leq i \\%A &lt; A$\u3068\u306a\u308b\u305f\u3081\u3001\u521d\u624bAlice\u304c\u3069\u3046\u52d5\u3053\u3046\u3068Bob\u304c\u53d6\u308c\u308b\u3060\u3051\u53d6\u308c\u30702\u624bAlice\u306f\u624b\u8a70\u307e\u308a)<\/li><\/ul>\n\n\n\n<p>\u3053\u308c\u30921\u30641\u3064\u6570\u3048\u308c\u3070\u5f53\u7136TLE\u306a\u306e\u3067\u3001\u307e\u3068\u3081\u3066\u6570\u3048\u308b\u6570\u5f0f\u3092\u8003\u3048\u308b\u3002<\/p>\n\n\n\n<p>$n\\leq k$\u306b\u304a\u3044\u3066$n % A$\u304c$B$\u672a\u6e80\u3068\u306a\u308b$n$\u306e\u6570\u3092$f(k)$\u3068\u3057\u3066\u3001$f(N)-f(A-1)$\u3068\u8868\u3059\u3068\u826f\u3055\u305d\u3046\u3060\u3068\u3044\u3046\u3053\u3068\u304c\u5206\u304b\u308b\u3002$f(k)$\u306f\u3044\u308d\u3044\u308d\u9811\u5f35\u3063\u305f\u7d50\u679c\u3001\u3053\u3093\u306a\u611f\u3058\u3067\u8868\u305b\u305f\u3002<\/p>\n\n\n\n<p>$f(k)=\\lfloor \\frac{k+1}{A} \\rfloor \\min(A,B)+\\min((k+1)\\%A, B)$<\/p>\n\n\n\n<p>\u3053\u306e\u5f0f\u306f$k&lt;A$\u306e\u3068\u304d\u306b\u30d0\u30b0\u308b\u306e\u3067\u3001\u3069\u3046\u305b$N&lt;A$\u306a\u3089\u7b54\u3048\u306f0\u306a\u306e\u3060\u304b\u3089\u5834\u5408\u5206\u3051\u3057\u305f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Rust\u306eORM\u3001diesel\u3092\u89e6\u3063\u305f\u3002\u6700\u8fd1\u306fsqlx\u306e\u65b9\u304c\u58f2\u308c\u3066\u3044\u308b\u3089\u3057\u3044\u304c\u3001\u81ea\u5206\u306fLaravel\u306eEloquent ORM\u306a\u3069\u306b\u6163\u308c\u304d\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u305f\u3081\u3057\u3063\u304b\u308a\u3057\u305fORM\u3092\u4f7f\u3044\u305f\u304b\u3063\u305f\u3002SQL\u306b\u82e6\u624b\u610f\u8b58\u304c\u3042\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u306e\u3060\u304c\u3001\u540c\u3058\u3082\u306e\u3092\u6271\u3046\u305f\u3081\u306bSQL\u6587\u3068Rust\u306e2\u3064\u306e\u8a00\u8a9e\u3092\u66f8\u304f\u306e\u306f\u306a\u308b\u3079\u304f\u907f\u3051\u305f\u3044\u3002<\/p>\n\n\n\n<p>\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3060\u3051\u306fSQL\u6587\u3092\u81ea\u5206\u3067\u66f8\u304b\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002Laravel\u306a\u3089\u305d\u3053\u3082\u672c\u4f53\u3068\u540c\u3058\u304fPHP\u3067\u7d71\u4e00\u3057\u3066\u3042\u308b\u306e\u306b\u306a\u3069\u3068\u601d\u3063\u305f\u304c\u3001\u307e\u3042\u8a31\u5bb9\u7bc4\u56f2\u3002<\/p>\n\n\n\n<p>\u3069\u3046\u3082Rust-Analyzer\u304c\u578b\u3092\u8a8d\u8b58\u3057\u3066\u304f\u308c\u306a\u3044\u3053\u3068\u304c\u3042\u308b\u3002diesel\u306f\u9759\u7684\u306b\u591a\u304f\u306e\u3053\u3068\u3092\u89e3\u6c7a\u3057\u3066\u304f\u308c\u308b\u30bf\u30a4\u30d7\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3042\u308b\u305f\u3081\u3060\u308d\u3046\u304b\u3002\u4eba\u304b\u3089\u805e\u3044\u305f\u8a71\u306b\u3088\u308b\u3068\u524d\u304b\u3089\u554f\u984c\u306b\u306a\u3063\u3066\u3044\u3066\u3001diesel\u306e\u958b\u767a\u8005\u3082rust-analyzer\u306e\u958b\u767a\u9663\u3068\u8272\u3005\u3084\u308a\u3068\u308a\u3057\u3066\u89e3\u6c7a\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3089\u3057\u3044\u3002\u65e7rls\u3067\u306f\u8d77\u3053\u3089\u306a\u304b\u3063\u305f\u554f\u984c\u3089\u3057\u3044\u304c\u3001rls\u306f\u5ec3\u6b62\u3055\u308c\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p>\u3068\u308a\u3042\u3048\u305a\u30d3\u30eb\u30c9\u306f\u901a\u308b\u306e\u3067\u9762\u5012\u3060\u304cRust-Analyzer\u3067\u3084\u3063\u3066\u3044\u304f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u4f53\u8abf\u304c\u3042\u307e\u308a\u3088\u308d\u3057\u304f\u306a\u3044\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u3053\u3053\u6570\u65e5\u3001\u76ee\u306e\u3057\u3087\u307c\u3057\u3087\u307c\u611f\u304c\u3072\u3069\u3044\u3002<\/li><li>\u3061\u3087\u3063\u3068\u663c\u5bdd\u3059\u308b\u3064\u3082\u308a\u304c2\u6642\u9593\u5bdd\u3066\u3057\u307e\u3063\u305f\u3002\u7761\u7720\u304c\u7ba1\u7406\u3067\u304d\u3066\u3044\u306a\u3044\u3002<\/li><li>\u3084\u308b\u6c17\u3001\u3068\u3044\u3046\u3088\u308a\u96c6\u4e2d\u529b\u304c\u6301\u7d9a\u3057\u306a\u3044\u3002OpenXR\u958b\u767a\u304c\u3072\u3068\u6bb5\u843d\u3057\u3066\u3057\u307e\u3063\u305f\u306e\u3067Web\u958b\u767a\u3092\u3084\u3063\u3066\u3044\u308b\u306e\u3060\u304c\u3001\u3053\u3061\u3089\u306f\u307e\u3060\u3042\u307e\u308a\u6700\u7d42\u5f62\u306e\u30a4\u30e1\u30fc\u30b8\u304c\u3067\u304d\u3066\u3044\u306a\u3044\u306e\u3060\u3002\u305d\u308c\u304c\u9732\u9aa8\u306b\u8868\u308c\u3066\u3044\u308b\u3002<\/li><li>\u671d\u98df\u3001\u663c\u98df\u306e\u30ea\u30ba\u30e0\u304c\u5b89\u5b9a\u3057\u306a\u3044\u3002\u6599\u7406\u3092\u3084\u308b\u3053\u3068\u304b\u3089\u3084\u3084\u96e2\u308c\u3066\u3044\u305f\u3002<\/li><li>\u904b\u52d5\u7fd2\u6163\u304c\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u3002\u60aa\u5f71\u97ff\u304c\u51fa\u3066\u304d\u3066\u3044\u308b\u6c17\u304c\u3059\u308b\u3002\u3068\u308a\u3042\u3048\u305a\u30e9\u30b8\u30aa\u4f53\u64cd\u306f\u518d\u958b\u3057\u305f\u3002<\/li><\/ul>\n\n\n\n<p>1\u30f6\u6708\u9593\u306eVR\u958b\u767a\u3067\u751f\u6d3b\u7fd2\u6163\u304c\u30e1\u30bf\u30e1\u30bf\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u672c\u6c17\u3067\u5bdd\u98df\u3082\u5fd8\u308c\u3066\u53d6\u308a\u7d44\u307f\u305f\u3044\u3053\u3068\u304c\u3042\u308b\u3068\u304d\u306f\u672c\u5f53\u306b\u5bdd\u98df\u3082\u5fd8\u308c\u3066\u53d6\u308a\u7d44\u3093\u3067\u3082\u6210\u679c\u304c\u51fa\u308b\u304c\u3001\u305d\u3053\u307e\u3067\u306e\u3082\u306e\u304c\u306a\u3044\u6642\u306f\u610f\u8b58\u7684\u306b\u751f\u6d3b\u7ba1\u7406\u3068\u30bf\u30b9\u30af\u7ba1\u7406\u3092\u3057\u3066\u3044\u3063\u305f\u65b9\u304c\u6700\u7d42\u7684\u306b\u306f\u3088\u308a\u9032\u6357\u304c\u51fa\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u3067\u306f\u306a\u3044\u304b\u3068\u8003\u3048\u305f\u3002\u4eca\u306f\u5f8c\u8005\u306e\u30d5\u30a7\u30fc\u30ba\u3060\u3068\u601d\u308f\u308c\u308b\u306e\u3067\u3001\u751f\u6d3b\u6539\u5584\u306b\u53d6\u308a\u7d44\u307f\u305f\u3044\u3002\u3053\u306e2\u3064\u306e\u30d5\u30a7\u30fc\u30ba\u306b\u81ea\u899a\u7684\u306b\u306a\u308c\u3070\u300c\u5065\u5eb7\u512a\u5148\u300d\u3068\u300c\u3084\u308a\u305f\u3044\u3053\u3068\u512a\u5148\u300d\u306e\u751f\u6d3b\u306e\u4f7f\u3044\u5206\u3051\u304c\u51fa\u6765\u308b\u304b\u3082\u3057\u308c\u306a\u3044\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<figure class=\"wp-block-embed is-type-wp-embed is-provider-\u30c9\u30af\u30bb\u30eb wp-block-embed-\u30c9\u30af\u30bb\u30eb\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" title=\"\u7dfb\u5bc6\u306a\u30ad\u30e3\u30e9\u30af\u30bf\u30fc\u306e\u8868\u60c5\u3084\u7834\u58ca\u8868\u73fe\u306e\u305f\u3081\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30c8\u30b7\u30a7\u30fc\u30c0\u306b\u3088\u308b\u30e1\u30c3\u30b7\u30e5\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\" src=\"https:\/\/www.docswell.com\/slide\/54WPNK\/embed#?secret=PwzIAPaizB\" data-secret=\"PwzIAPaizB\" width=\"620\" height=\"349\"><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u9031\u306e\u80ce\u754c\u4e3b\u3092\u8aad\u3093\u3060\u3002\u30eb\u30fc\u30b5\u30fc\u601d\u3044\u3063\u304d\u308a\u6a5f\u5bc6\u30d0\u30e9\u3057\u3066\u306a\u3044\u304b\u3053\u308c\u3002 \u3053\u306e\u306f\u30ab\u30ec\u30f3\u30c0\u30fc\u3092\u3081\u304f\u3063\u305f\u3002\u6c34\u7740\u3048\u3048\u306a\u3002\u304a\u3063\u3055\u3093\u307f\u305f\u3044\u306a\u611f\u60f3\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u3002 \u4eca\u65e5\u89e3\u3044\u305f\u7af6\u30d7\u30ed\u306e\u554f\u984c\u3002 ARC145-B: \u30b2\u30fc\u30e0n\u306b\u304a\u3044\u3066\u3001 $n&#038;l &hellip; <\/p>\n<div><a href=\"https:\/\/k.foolslab.net\/dailyreport\/2022-8-2\/\" class=\"more\">Read more &raquo;<span class=\"screen-reader-text\"> &#8220;2022\/8\/2(\u706b)&#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-3172","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/3172","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=3172"}],"version-history":[{"count":10,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/3172\/revisions"}],"predecessor-version":[{"id":3183,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/posts\/3172\/revisions\/3183"}],"wp:attachment":[{"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/media?parent=3172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/categories?post=3172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/k.foolslab.net\/dailyreport\/wp-json\/wp\/v2\/tags?post=3172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}