{"blog_url":"https://sasashin.hatenadiary.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsasashin.hatenadiary.jp%2Fentry%2F20110923%2F1316757068\" title=\" Problem 1 - koyoweblog log\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":" Problem 1","width":"100%","categories":["Ruby","Project Euler"],"description":"http://projecteuler.net/index.php?section=problems&id=1 10\u672a\u6e80\u306e\u81ea\u7136\u6570\u306e\u3046\u3061\u30013 \u3082\u3057\u304f\u306f 5 \u306e\u500d\u6570\u306b\u306a\u3063\u3066\u3044\u308b\u3082\u306e\u306f 3, 5, 6, 9 \u306e4\u3064\u304c\u3042\u308a\u3001 \u3053\u308c\u3089\u306e\u5408\u8a08\u306f 23 \u306b\u306a\u308b\u3002 \u540c\u3058\u3088\u3046\u306b\u3057\u3066\u30011,000 \u672a\u6e80\u306e 3 \u304b 5 \u306e\u500d\u6570\u306b\u306a\u3063\u3066\u3044\u308b\u6570\u5b57\u306e\u5408\u8a08\u3092\u6c42\u3081\u3088\u3002 \u30ef\u30f3\u30e9\u30a4\u30ca\u3067\u3002inject \u306e\u65b0\u3057\u3081\u306e\u4f7f\u3044\u65b9\u3002 p (1...1000).select{|i| i%3==0 or i%5==0}.inject(:+)","published":"2011-09-23 14:51:08","type":"rich","author_name":"sasashin","provider_url":"https://hatena.blog","version":"1.0","height":"190","url":"https://sasashin.hatenadiary.jp/entry/20110923/1316757068","author_url":"https://blog.hatena.ne.jp/sasashin/","blog_title":"koyoweblog log","provider_name":"Hatena Blog","image_url":null}