{"image_url":"https://chart.apis.google.com/chart?cht=tx&chl=%20n%20%5Cgeq%201","type":"rich","provider_url":"https://hatena.blog","blog_title":"J * A * P * L * J","categories":["Algorithm"],"provider_name":"Hatena Blog","author_name":"JAPLJ","width":"100%","description":"\u3044\u308d\u3044\u308d\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u30e1\u30e2\u270d\u3057\u3066\u304a\u304f\u3068\u3088\u3055\u305d\u3046\u306a\u306e\u3067\u66f8\u3044\u3066\u304a\u304d\u307e\u3059\u3002 \u3084\u308b\u3053\u3068 \u306b\u5bfe\u3057\u3066 \u4ee5\u4e0b\u306e\u5947\u6570\u3092\u3059\u3079\u3066\u4e57\u7b97\u3057\u305f\u5947\u6570\u968e\u4e57 (\u5947\u6570\u306b\u5bfe\u3059\u308b\u4e8c\u91cd\u968e\u4e57)\\begin{align} (2n-1)!! = 1 \\cdot 3 \\cdot 5 \\cdot \\cdots (2n-3)(2n-1) \\end{align}\u3092 \u3067\u9ad8\u901f\u306b\u6c42\u3081\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f \u3068\u3057\u3066 \u6642\u9593\u3067\u3059\u3002\u3053\u3053\u3067 \u306e\u90e8\u5206\u306f\u591a\u9805\u5f0f\u306e\u4e57\u7b97\u3068\u5e73\u884c\u79fb\u52d5 ( \u306e\u4fc2\u6570\u304b\u3089 \u306e\u4fc2\u6570\u3092\u6c42\u3081\u308b) \u306b\u304b\u304b\u308a\u307e\u3059\u3002 \u3084\u308a\u304b\u305f \u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3067\u3059\u3002Petrozavodsk Camp \u306e\u554f\u984c\u3067\u51fa\u305f\u3093\u3067\u3059\u304c\u30b8\u30e3\u30c3\u30b8\u304c\u3069\u3053\u304b\u5206\u304b\u3089\u306a\u3044\u2026\u2026\u3002\u3044\u3061\u304a\u3046 \u306e\u7bc4\u56f2\u3067\u611a\u76f4\u306a\u306e\u3068\u6bd4\u8f03\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjaplj.hatenablog.com%2Fentry%2F2018%2F04%2F07%2F132344\" title=\"(2n-1)!! (\u5947\u6570\u968e\u4e57) \u3092 mod 2^64 \u3067\u6c42\u3081\u308b - J * A * P * L * J\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2018-04-07 13:23:44","author_url":"https://blog.hatena.ne.jp/JAPLJ/","blog_url":"https://japlj.hatenablog.com/","url":"https://japlj.hatenablog.com/entry/2018/04/07/132344","version":"1.0","height":"190","title":"(2n-1)!! (\u5947\u6570\u968e\u4e57) \u3092 mod 2^64 \u3067\u6c42\u3081\u308b"}