{"description":"\u554f\u984c\u8a2d\u5b9a \u6574\u6570\u4e8c\u5206\u63a2\u7d22\u3068\u306f\uff0c\u4ee5\u4e0b\u306e\u77e2\u5370\u306e\u4f4d\u7f6e\u3092\u6c42\u3081\u308b\u554f\u984c\u3067\u3042\u308b\u3002 \u30d1\u30bf\u30fc\u30f3A \u30d1\u30bf\u30fc\u30f3B \u89e3\u304d\u65b9 \u524d\u63d0\u3068\u3057\u3066\uff0c\u7bc4\u56f2\u3092\u9589\u533a\u9593\u3067\u6271\u3046\u3068\u5fae\u5999\u306b\u30d0\u30b0\u308b\u306e\u3067\u534a\u958b\u533a\u9593\u3067\u6271\u3046\u3002while\u6587\u306e\u6761\u4ef6\u306f\u3069\u3061\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3067\u3082 ub - lb > 1 \u3067\u3042\u308b\u3002 \u30d1\u30bf\u30fc\u30f3A [lb, ub) \u3068\u3057\u3066\u7bc4\u56f2\u3092\u6271\u3046\u306e\u304c\u6b63\u89e3\u3002 mid = (lb + ub) / 2\u3068\u3059\u308b\u3002\u77e2\u5370\u306e\u3068\u3053\u308d\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066(check(mid) ? lb : ub) = mid;\u3068\u66f4\u65b0\u3059\u308b\u3002 \u5931\u6557\u30d1\u30bf\u30fc\u30f3\u3068\u3057\u3066\uff0c(lb,ub] \u3068\u3057\u3066\u7bc4\u56f2\u3092\u6271\u3063\u305f\u5834\u5408\u3092\u8003\u3048\u308b\u3002 (lb, ub] \u306e\u4e2d\u306bcheck\u304cTrue\u306b\u306a\u308b\u3082\u306e\u304c\u7121\u304f\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u3002 \u30c0\u30e1\u3063\u3066\u306f\u3063\u2026","blog_title":"\u304f\u3058\u3089\u306b\u3063\u304d++","provider_name":"Hatena Blog","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkujira16.hateblo.jp%2Fentry%2F2015%2F09%2F26%2F234614\" title=\"2\u5206\u63a2\u7d22\u306e\u30d0\u30b0\u308a\u306b\u304f\u3044\u66f8\u304d\u65b9 - \u304f\u3058\u3089\u306b\u3063\u304d++\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/k/kujira16/20150926/20150926234308.png","width":"100%","version":"1.0","published":"2015-09-26 23:46:14","author_name":"kujira16","title":"2\u5206\u63a2\u7d22\u306e\u30d0\u30b0\u308a\u306b\u304f\u3044\u66f8\u304d\u65b9","height":"190","categories":["\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0"],"blog_url":"https://kujira16.hateblo.jp/","provider_url":"https://hatena.blog","url":"https://kujira16.hateblo.jp/entry/2015/09/26/234614","author_url":"https://blog.hatena.ne.jp/kujira16/"}