{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblue-s.hatenadiary.com%2Fentry%2F2023%2F11%2F01%2F044612\" title=\"\u7d20\u6570\u5224\u5b9a\u6cd5 - \u7af6\u30d7\u30ed\u89e3\u6cd5\u307e\u3068\u3081\" 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":"Blue_S","blog_url":"https://blue-s.hatenadiary.com/","width":"100%","published":"2023-11-01 04:46:12","image_url":null,"title":"\u7d20\u6570\u5224\u5b9a\u6cd5","provider_name":"Hatena Blog","description":"\u7d20\u6570\u5224\u5b9a\u3068\u306f \u4e0e\u3048\u3089\u308c\u305f\u6574\u6570n\u304c\u7d20\u6570\u304b\u305d\u3046\u3067\u306a\u3044\u304b\u3092\u5224\u5b9a\u3059\u308b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3042\u308b\u3002 \u666e\u901a\u306b\u8003\u3048\u308b\u3068\u30012 ~ n-1 \u3067n\u304c\u5272\u308a\u5207\u308c\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3059\u308c\u3070\u826f\u3044\u3002\u3057\u304b\u3057\u3001 n = ab\u3068\u3059\u308b\u3068\u3001min(a, b)\u306f\u221an\u3092\u8d85\u3048\u306a\u3044\u3002\u3053\u308c\u3088\u308a2 ~ \u221an\u306e\u9593\u3067\u306e\u307f\u5272\u308a\u5207\u308c\u306a\u3044\u304b\u3092\u8003\u3048\u308b\u3068\u5341\u5206\u3067\u3042\u308a\u3001\u3053\u308c\u306fO(\u221an)\u306e\u8a08\u7b97\u91cf\u3067\u5b9f\u884c\u3067\u304d\u308b\u3002 \u5b9f\u88c5 fn is_prime(n: usize) -> bool { for i in 2..(n + 1) { if i.pow(2) > n { break; } if n % i == 0 { return false; } } return true; } \u591a\u5206\u3053\u3093\u2026","height":"190","url":"https://blue-s.hatenadiary.com/entry/2023/11/01/044612","version":"1.0","categories":[],"author_url":"https://blog.hatena.ne.jp/Blue_S/","type":"rich","provider_url":"https://hatena.blog","blog_title":"\u7af6\u30d7\u30ed\u89e3\u6cd5\u307e\u3068\u3081"}