{"provider_name":"Hatena Blog","width":"100%","title":"\u30ed\u30fc\u30de\u6570\u5b57\u554f\u984c-2","image_url":null,"blog_url":"https://tomomii.hatenablog.com/","height":"190","description":"http://d.hatena.ne.jp/tomomii+programming/20101219/p1 ex. I=1 V=5 X=10 L=50 C=100 D=500 M=1000 \u653e\u8ab2\u5f8c\u5145\u5b9f\u8af8\u3005\u30b5\u30dc\u308a\u304c\u3061\u3002\u5bdd\u308b\u5bf8\u524d\u306b\u8003\u3048\u305f\u306e\u66f8\u304d\u7559\u3081\u3066\u304a\u304f\u3002 \u30e1\u30e2 def roman_num (roman_num \u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u308b\uff09 num= 0 (number\u306f1-3000\u306e\u6570\u5b57\u3002\u3060\u3051\u3069\u3068\u308a\u3042\u3048\u305a0\u306b\u3057\u3068\u3053\uff09 num=gets.chomp.to_s (\u6570\u5b57\u3092\u5165\u529b\u3057\u305f\u3089\u8fd4\u3059\uff09 M=num/1000 D=num/ n\u3046\u3046\u3046\u2026 \u3064\u3065\u304d\u306f\u653e\u8ab2\u5f8c","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftomomii.hatenablog.com%2Fentry%2F20101221%2Fp1\" title=\"\u30ed\u30fc\u30de\u6570\u5b57\u554f\u984c-2 - Words fly away, the written letter remains. \" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2010-12-21 00:00:00","categories":["Ruby","\u7df4\u7fd2"],"provider_url":"https://hatena.blog","blog_title":"Words fly away, the written letter remains. ","author_name":"tomomii","author_url":"https://blog.hatena.ne.jp/tomomii/","url":"https://tomomii.hatenablog.com/entry/20101221/p1","version":"1.0","type":"rich"}