{"height":"190","type":"rich","url":"https://tobiasgsmollett.hatenadiary.org/entry/20130610/1370837185","width":"100%","author_url":"https://blog.hatena.ne.jp/TobiasGSmollett/","provider_name":"Hatena Blog","description":"\u30e2\u30f3\u30c6\u30ab\u30eb\u30ed\u6cd5\u3067\u56f3\u5f62\u306e\u9762\u7a4d\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002x*x/4+y*y=1 \u306e\u5f0f\u3067\u793a\u3055\u308c\u308b\u6955\u5186\u306e\u9762\u7a4d\u3092\u30e2\u30f3\u30c6\u30ab\u30eb\u30ed\u6cd5\u3067\u6c42\u3081\u308b\u3002\u4e71\u6570 0\u2266x\u22662 , 0\u2266y\u22661 \u30922\u00d71\u306e\u9577\u65b9\u5f62\u306e\u4e2d\u306b\u5747\u4e00\u306b\u843d\u3068\u3059\u3002 1/4\u306e\u6955\u5186\u306e\u4e2d\u306b\u5165\u3063\u305f\u4e71\u6570\u306e\u6570\u3092r \u843d\u3068\u3057\u305f\u4e71\u6570\u306e\u7dcf\u6570\u3092n 1/4\u306e\u6955\u5186\u306e\u9762\u7a4d\u3092S\u3068\u3059\u308b\u3068 2 : S / 4 = n : r S = 4 * 2 * r / n \u3068\u306a\u308b\u3002 #include<iostream> #include<vector> #include<algorithm> #include<cstdio> #include<climits> #include<cmath> using na\u2026","categories":["\u4e71\u629e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0","\u5e7e\u4f55","\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0"],"blog_url":"https://tobiasgsmollett.hatenadiary.org/","image_url":null,"published":"2013-06-10 13:06:25","author_name":"TobiasGSmollett","provider_url":"https://hatena.blog","title":"\u30e2\u30f3\u30c6\u30ab\u30eb\u30ed\u6cd5\u3067\u6955\u5186\u306e\u9762\u7a4d\u3092\u6c42\u3081\u308b\u3002","version":"1.0","blog_title":"tobias\u306e\u65e5\u8a18","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftobiasgsmollett.hatenadiary.org%2Fentry%2F20130610%2F1370837185\" title=\"\u30e2\u30f3\u30c6\u30ab\u30eb\u30ed\u6cd5\u3067\u6955\u5186\u306e\u9762\u7a4d\u3092\u6c42\u3081\u308b\u3002 - tobias\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}