{"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/yarb/","description":"MyHeap\u306esiftdown\u3067\u30b3\u30fc\u30c9\u306e\u91cd\u8907\u3068\u5206\u5c90\u306e\u5206\u304b\u308a\u3065\u3089\u3055\u304c\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u66f8\u304d\u63db\u3048\u3066\u307f\u305f\u3002 def siftdown(n) if n * 2 > @n then return elsif n * 2 == @n then if @q[n] > @q[n * 2] then @q[n], @q[n * 2] = @q[n * 2], @q[n] end elsif n * 2 + 1 <= @n then left = n * 2 right = n * 2 + 1 if (@q[left] < @q[right]) && (@q[n] > @q[left]) then @q[n], @q\u2026","url":"https://yarb.hatenadiary.org/entry/20091021/p3","blog_title":"yarb\u306e\u65e5\u8a18","blog_url":"https://yarb.hatenadiary.org/","image_url":null,"type":"rich","author_name":"yarb","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyarb.hatenadiary.org%2Fentry%2F20091021%2Fp3\" title=\"\u30d2\u30fc\u30d7\u306esiftdown\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0 - yarb\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","title":"\u30d2\u30fc\u30d7\u306esiftdown\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0","version":"1.0","categories":["algorithm"],"published":"2009-10-21 00:00:00","width":"100%"}