{"title":"2018JOI\u6625\u5408\u5bbf3-2 Bitaro's Party \u89e3\u8aac","url":"https://kaage.hatenablog.com/entry/2021/01/19/145507","author_name":"kaage","blog_url":"https://kaage.hatenablog.com/","image_url":"https://cdn.user.blog.st-hatena.com/default_entry_og_image/154818125/1592546778599961","version":"1.0","description":"\u554f\u984c\u30ea\u30f3\u30af \u89e3\u8aac \u5c0f\u8ab2\u984c\u306f\u81ea\u660e\u306a\u306e\u3067\u7565 $Y_i=0$ \u306e\u5834\u5408\u3092\u8003\u3048\u308b\u3068\u3001\u30c8\u30dd\u30ed\u30b8\u30ab\u30eb\u9806\u3067 DP \u3092\u3057\u3066\u3084\u308c\u3070\u89e3\u3051\u308b\u3002 \u30c7\u30fc\u30bf\u69cb\u9020\u306a\u3069\u3067\u51e6\u7406\u3059\u308b\u306e\u306f\u96e3\u3057\u305d\u3046\u306a\u306e\u3067\u3001$Y_i$ \u306b\u4ed8\u968f\u3059\u308b\u8a08\u7b97\u91cf\u306f\u3001 $Y_i$ \u306e\u5b9a\u6570\u500d\u3082\u3057\u304f\u306f\u5c0f\u3055\u3044\u5225\u306e\u95a2\u6570\u304c\u304b\u304b\u3063\u305f\u5f62\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3060\u308d\u3046\u3068\u3044\u3046\u4e88\u60f3\u304c\u3064\u304f\u3002 $Y_i=0$ \u306e\u5834\u5408\u306e\u3088\u3046\u306b\u6700\u5927\u5024\u3060\u3051\u3092\u4fdd\u6301\u3059\u308b\u3053\u3068\u306b\u306f\u610f\u5473\u304c\u306a\u304f\u3001\u51fa\u767a\u9802\u70b9\u3092\u30bb\u30c3\u30c8\u306b\u3057\u3066\u3082\u3001\u305d\u306e\u9802\u70b9\u304c\u3064\u3076\u308c\u3066\u3057\u307e\u3063\u305f\u3089\u4f55\u3082\u524d\u8a08\u7b97\u304c\u306a\u3044\u72b6\u614b\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u5e73\u65b9\u5206\u5272\u306e\u8981\u9818\u3067 $B$ \u500b\u6301\u3063\u3066\u304a\u304f\u3053\u3068\u306b\u3059\u308b\u3002 $Y_i>=B$ \u3068\u306a\u308b\u306e\u306f\u9ad8\u3005 $\\frac{\\sum(y_i)}{B}$ \u56de\u306a\u306e\u3067\u3001\u3053\u2026","published":"2021-01-19 14:55:07","categories":["JOI \u89e3\u8aac"],"type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkaage.hatenablog.com%2Fentry%2F2021%2F01%2F19%2F145507\" title=\"2018JOI\u6625\u5408\u5bbf3-2 Bitaro&#39;s Party \u89e3\u8aac - kaage\u7cbe\u9032\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/kaage/","blog_title":"kaage\u7cbe\u9032\u9332","height":"190","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","width":"100%"}