{"description":"D - ABS $N=1$ \u306e\u3068\u304d\u306f $X$ \u3055\u3093\u304c $1$ \u679a\u53d6\u308b\u3057\u304b\u306a\u3044\u305f\u3081\u7b54\u3048\u306f $|a_1 - W|$ \u3067\u3059\u3002 $2 \\le N$ \u306e\u3068\u304d\u306f\u3001$X$ \u3055\u3093\u304c\u6700\u521d\u306e\u64cd\u4f5c\u3067\u5168\u3066\u306e\u30ab\u30fc\u30c9\u3092\u53d6\u308b\u3068\u30b9\u30b3\u30a2 $|a_N - W|$ \u3092\u9054\u6210\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u6700\u521d\u306e\u64cd\u4f5c\u3067 $N-1$ \u679a\u306e\u30ab\u30fc\u30c9\u3092\u53d6\u308b\u3001\u3064\u307e\u308a $1$ \u679a\u3060\u3051\u6b8b\u3059\u3068\u30b9\u30b3\u30a2 $|a_{N-1} - a_N|$ \u3092\u9054\u6210\u3067\u304d\u307e\u3059\u3002$X$ \u3055\u3093\u304c $2$ \u679a\u4ee5\u4e0a\u6b8b\u3057\u305f\u3068\u304d\u3001$Y$ \u3055\u3093\u304c\u6b8b\u308a $1$ \u679a\u306b\u306a\u308b\u307e\u3067\u30ab\u30fc\u30c9\u3092\u53d6\u308b\u3068\u30b9\u30b3\u30a2\u306f $|a_{N-1} - a_N|$ \u3068\u306a\u308a\u307e\u3059\u3002\u3088\u3063\u3066\u3001$X$ \u3055\u3093\u304c\u30ab\u30fc\u30c9\u3092 $2$ \u679a\u4ee5\u4e0a\u6b8b\u3057\u305f\u6642\u3001$Y$ \u2026","version":"1.0","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhiro1729.hatenablog.com%2Fentry%2F2024%2F01%2F31%2F192812\" title=\"ABC078-D \u89e3\u8aac - hiro1729 \u7af6\u30d7\u30ed\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://hiro1729.hatenablog.com/","blog_title":"hiro1729 \u7af6\u30d7\u30ed","published":"2024-01-31 19:28:12","author_name":"hiro1729","url":"https://hiro1729.hatenablog.com/entry/2024/01/31/192812","categories":["AtCoder","ABC","ABC078","ABC-D","\u6c34diff","\u30b2\u30fc\u30e0","2\u4eba\u30b2\u30fc\u30e0"],"width":"100%","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/hiro1729/","height":"190","title":"ABC078-D \u89e3\u8aac","provider_url":"https://hatena.blog","type":"rich"}