{"height":"190","author_name":"sune2","blog_url":"https://sune2.hatenadiary.org/","blog_title":"\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0+\u03b1\u306a\u30d6\u30ed\u30b0","image_url":null,"version":"1.0","author_url":"https://blog.hatena.ne.jp/sune2/","url":"https://sune2.hatenadiary.org/entry/20140310/1394440369","width":"100%","provider_url":"https://hatena.blog","title":"Convex Hull Trick","type":"rich","provider_name":"Hatena Blog","categories":["\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsune2.hatenadiary.org%2Fentry%2F20140310%2F1394440369\" title=\"Convex Hull Trick - \u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0+\u03b1\u306a\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2014-03-10 17:32:49","description":"\u6982\u8981 \u554f\u984c \uff1a \u300c\u591a\u6570\u306e f_i(x) = a_i * x + b_i \u3068\uff0c\u591a\u6570\u306e\u30af\u30a8\u30ea x \u306b\u5bfe\u3057 min f_i(x) \u3092\u6c42\u3081\u3088\uff0e\u300d \u3053\u306e\u554f\u984c\u3092\u89e3\u304f\u305f\u3081\u306bConvex Hull Trick\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308b\uff0e \u87fb\u672c\u306b\u304a\u3044\u3066\uff0cK-anonymous Sequence\u3068\u3044\u3046\u554f\u984c\u306e\u89e3\u6cd5\u3068\u3057\u3066\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\uff08Convex Hull Trick\u3068\u3044\u3046\u540d\u524d\u306f\u51fa\u3066\u304d\u3066\u3044\u306a\u3044\uff09\uff0e \u87fb\u672c\u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u30d1\u30bf\u30fc\u30f3\u306b\u306f\u4ee5\u4e0b\u306e\u6761\u4ef6\u304c\u3042\u308b\uff0e \u8ffd\u52a0\u3055\u308c\u308b\u76f4\u7dda\u306e\u4fc2\u6570\u304c\u5358\u8abf\u6e1b\u5c11 \u30af\u30a8\u30ea\u304c\u5358\u8abf\u5897\u52a0 \u3053\u306e\u8a18\u4e8b\u3067\u306f\uff0c\u3053\u308c\u3089\u306e\u6761\u4ef6\u304c\u7121\u3044\u30d1\u30bf\u30fc\u30f3\u306e\u89e3\u304d\u65b9\u3068\u305d\u306e\u5b9f\u88c5\u3092\u7d39\u4ecb\u3059\u308b\uff0e http://wcipeg.com/wiki/Conve\u2026"}