{"image_url":null,"blog_url":"https://junkobayashi.hatenablog.com/","version":"1.0","title":"AWC0188 E - \u5c55\u793a\u30d6\u30fc\u30b9\u306e\u914d\u7f6e","provider_url":"https://hatena.blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjunkobayashi.hatenablog.com%2Fentry%2F2026%2F10%2F30%2F050604\" title=\"AWC0188 E - \u5c55\u793a\u30d6\u30fc\u30b9\u306e\u914d\u7f6e - JunKobayashi&#39;s Diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u516c\u5f0f\u89e3\u8aac\u3092\u8aad\u3080\u3068\u300c\u6709\u540d\u554f\u984c\u3067\u3059\u300d\u306e\u4e00\u8a00\u304c\u3042\u308a\u3001\u65e9\u6025\u306b\u5b8c\u74a7\u306a\u7406\u89e3\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u308b\u3068\u5224\u65ad\u3057\u305f\u305f\u3081\u8a18\u8f09\u3059\u308b\u3002 \u554f\u984c\u306e\u30da\u30fc\u30b8 \uff1c\u554f\u984c\u6982\u8981\uff1e \u9577\u3055\\(N\\)\u306e\u6574\u6570\u5217\\(C\\)\u304c\u4e0e\u3048\u3089\u308c\u308b\u3002\\(C\\)\u306e\u9805\u3092\u4e26\u3073\u66ff\u3048\u3066\u5f97\u3089\u308c\u308b\u6570\u5217\u306e\u3046\u3061\u4efb\u610f\u306e\u4e00\u3064\u3092\\(D\\)\u3068\u8868\u3059\u6642\u3001\\[S=\\sum_{i=1}^{N-1} |D_i - D_{i+1}|\\]\u306e\u6700\u5927\u5024\u3092\u6c42\u3081\u3088\u3002 \uff1c\u5236\u7d04\uff1e \\(2 \\leq N \\leq 10^6\\) \\(1 \\leq C_i \\leq 10^9\\) \uff1c\u89e3\u6cd5\uff1e \u203b\u4ee5\u5f8c\u3001\u300c\u5e83\u7fa9\u5358\u8abf\u5897\u52a0\u300d\u300c\u5e83\u7fa9\u5358\u8abf\u6e1b\u5c11\u300d\u3092\u305d\u308c\u305e\u308c\u300c\u5358\u8abf\u5897\u52a0\u300d\u300c\u5358\u8abf\u6e1b\u5c11\u300d\u3068\u8a18\u8f09\u3059\u308b\u3002\u307e\u305f\u3001\u300c\u6574\u6570\u5217\\(U\\)\u306e\u7b2c\\(x\\)\u9805\u304b\u3089\u7b2c\\\u2026","author_name":"JunKobayashi","url":"https://junkobayashi.hatenablog.com/entry/2026/10/30/050604","provider_name":"Hatena Blog","height":"190","categories":["\u7af6\u30d7\u30ed\u6709\u540d\u554f\u984c","\u7d2f\u7a4d\u548c"],"type":"rich","published":"2026-10-30 05:06:04","author_url":"https://blog.hatena.ne.jp/JunKobayashi/","blog_title":"JunKobayashi's Diary"}