{"author_url":"https://blog.hatena.ne.jp/shaitan/","url":"https://shaitan.hatenablog.com/entry/2026/06/10/054913","categories":["\u7bb1\u5ead\u6570\u5b66"],"provider_name":"Hatena Blog","image_url":null,"title":"2018\u5e74\u4e00\u6a4b\u5927\u5f8c\u671f\u554f\u984c3","published":"2026-06-10 05:49:13","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshaitan.hatenablog.com%2Fentry%2F2026%2F06%2F10%2F054913\" title=\"2018\u5e74\u4e00\u6a4b\u5927\u5f8c\u671f\u554f\u984c3 - shaitan&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"shaitan","blog_title":"shaitan's blog","provider_url":"https://hatena.blog","description":"2018 \u4e00\u6a4b\u5927\u5b66 \u5f8c\u671fMathJax\u5186\u306e\u4e2d\u5fc3\u3092\u539f\u70b9O\u3068\u304a\u304d\u3001Q (a, b)\u3001R (a, -b)\u3001\u305f\u3060\u3057(0\u2266a, b)\u3068\u304a\u3044\u3066\u3082\u4e00\u822c\u6027\u3092\u5931\u308f\u306a\u3044\u3002 P\u306ex\u5ea7\u6a19\u3092p\u3068\u304a\u304f\u3002S=|a-p|b\u3067\u3042\u308b\u304b\u3089\u3001a, b\u3092\u56fa\u5b9a\u3057\u305f\u3068\u304dp=-1\u306e\u3068\u304d\u6700\u5927\u3068\u306a\u308b\u304b\u3089\u3053\u306e\u5834\u5408\u306e\u307f\u8003\u3048\u308c\u3070\u3088\u3044\u3002 a\u306e\u5024\u3092\u6c7a\u3081\u308b\u3068b\u306e\u5024\u304c\u6c7a\u307e\u308b\u306e\u3067\u3001 \u306fa\u306e\u95a2\u6570\u3002S(\u00b11)=0 \u3068\u304a\u304f\u3068S\u306f-1\u2266a\u22661\u306e\u7bc4\u56f2\u3067\u9023\u7d9a\u306a\u306e\u3067\u6700\u5927\u5024\u3092\u4e0e\u3048\u308ba\u304c\u5b58\u5728\u3059\u308b\u3002a=\u00b11\u306e\u3068\u304d\u660e\u3089\u304b\u306b\u6700\u5927\u5024\u3067\u306f\u306a\u3044\u304b\u3089\u3001S\u306e\u6700\u5927\u5024\u3092\u4e0e\u3048\u308b\u3088\u3046\u306aQ, R\u304c\u5b58\u5728\u3059\u308b\u3002 \u3053\u306e\u3068\u304d\u3001R\u306fPQ\u304b\u3089\u6700\u3082\u9060\u3044 \u4e0a\u306e\u70b9\u306a\u306e\u3067\u3001R\u306b\u304a\u3051\u308b \u306e\u63a5\u7dda\u306fPR\u3068\u5e73\u884c\u3067\u3042\u308b\u3002\u3064\u307e\u308aOQ\u22a5\u2026","width":"100%","blog_url":"https://shaitan.hatenablog.com/","version":"1.0","height":"190"}