{"published":"2020-09-09 20:15:48","version":"1.0","description":"\u8868\u984c\u306e\u3088\u3046\u306b100\u4e07\u56de\u306f\u9593\u9055\u3048\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u7d50\u69cb\u306a\u983b\u5ea6\u3067\u9593\u9055\u3048\u307e\u3059\u3002 \u4f55\u901a\u308a\u5b58\u5728\u3059\u308b\u304b \u4e26\u3073\u9806\u306f\u3001\u4f55\u901a\u308a\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b? ruby\u306e#permutation\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3001\u30ab\u30a6\u30f3\u30c8\u3057\u3066\u307f\u307e\u3057\u3087\u3046 ruby -e \"puts 'success'.split('').permutation.uniq.count\" => 420 420\u901a\u308a 7! / (3! * 2!)\u901a\u308a\u3001\u3059\u306a\u308f\u3061\u3001\u90e8\u3067420\u901a\u308a\u306e\u4e26\u3073\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u308a\u3083\u9593\u9055\u3048\u3066\u3057\u3087\u3046\u304c\u306a\u3044\u3067\u3059\u306d\u3002 \u73fe\u5b9f\u306b\u306fe\u306e\u6570\u3092\u8aa4\u3063\u3066\u3057\u307e\u3063\u305f\u308a\u3001c\u3092\u9593\u9055\u3048\u3066\u8ffd\u52a0\u3057\u3066\u3057\u307e\u3046\u30d1\u30bf\u30fc\u30f3\u3082\u3042\u308a\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001420\u901a\u308a\u4ee5\u4e0a\u306b\u306a\u308a\u3048\u307e\u3059\u3002\u6050\u308d\u3057\u3044\u3067\u3059\u306d\u3002 \u899a\u3048\u2026","provider_name":"Hatena Blog","author_name":"masanolinks","width":"100%","categories":["\u8a00\u8449"],"title":"CUCCESS\u306e\u7db4\u308a\u3092100\u4e07\u56de\u9593\u9055\u3048\u307e\u3059\u3010\u899a\u3048\u65b9\u3011","provider_url":"https://hatena.blog","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmasavo.jp%2Fentry%2F2020%2F09%2F09%2F201548\" title=\"CUCCESS\u306e\u7db4\u308a\u3092100\u4e07\u56de\u9593\u9055\u3048\u307e\u3059\u3010\u899a\u3048\u65b9\u3011 - masavoid\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://masavo.jp/entry/2020/09/09/201548","blog_url":"https://masavo.jp/","image_url":null,"blog_title":"masavoid","author_url":"https://blog.hatena.ne.jp/masanolinks/","type":"rich"}