{"image_url":null,"categories":["yukicoder"],"author_name":"mayokoex","title":"yukicoder No.321 (P,Q)-\u30b5\u30f3\u30bf\u3068\u8857\u306e\u5b50\u4f9b\u305f\u3061","provider_url":"https://hatena.blog","blog_url":"https://mayokoex.hatenablog.com/","version":"1.0","published":"2015-12-15 08:09:09","width":"100%","author_url":"https://blog.hatena.ne.jp/mayokoex/","url":"https://mayokoex.hatenablog.com/entry/2015/12/15/080909","description":"\u3059\u3054\u304f\u597d\u304d\u306a\u30bf\u30a4\u30d7\u306e\u554f\u984c\u3067\u3059\u3002 \u554f\u984c No.321 (P,Q)-\u30b5\u30f3\u30bf\u3068\u8857\u306e\u5b50\u4f9b\u305f\u3061 - yukicoder \u89e3\u6cd5 a*P + b*Q \u306f, P \u3068 Q \u306e\u6700\u5927\u516c\u7d04\u6570 G \u306b\u95a2\u3057\u3066, c*G (c \u306f\u6574\u6570) \u3068\u3044\u3046\u6574\u6570\u5024\u3059\u3079\u3066\u3092\u53d6\u308b\u3053\u3068\u306f\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002 \u4eca\u56de\u3082\u4f3c\u305f\u3088\u3046\u306a\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u304c, (c*G, d*G) (c, d \u306f\u6574\u6570)\u3092\u6e80\u305f\u3059\u3059\u3079\u3066\u306e\u5ea7\u6a19\u306b\u3044\u3051\u308b, \u3068\u8a00\u3063\u305f\u5358\u7d14\u306a\u3053\u3068\u306f\u6210\u308a\u7acb\u3061\u307e\u305b\u3093(\u4e00\u756a\u6700\u5f8c\u306e\u5165\u529b\u3067\u9593\u9055\u3063\u3066\u308b\u3053\u3068\u306b\u6c17\u3065\u304f)\u3002\u306a\u306e\u3067\u3082\u3046\u3061\u3087\u3063\u3068\u51b7\u9759\u306b\u554f\u984c\u3092\u898b\u3066\u307f\u307e\u3059\u3002\u3088\u304f\u8003\u3048\u308b\u3068, \u305f\u3069\u308a\u7740\u3051\u308b\u5ea7\u6a19 x, y \u306f, x = a*P + b*Q y = c*P + d*Q \u3068\u66f8\u2026","provider_name":"Hatena Blog","type":"rich","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmayokoex.hatenablog.com%2Fentry%2F2015%2F12%2F15%2F080909\" title=\"yukicoder No.321 (P,Q)-\u30b5\u30f3\u30bf\u3068\u8857\u306e\u5b50\u4f9b\u305f\u3061 - mayoko\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"mayoko\u2019s diary"}