{"url":"https://kaiseh.hatenadiary.org/entry/20081114/1226665036","version":"1.0","author_name":"kaiseh","description":"\u8a02\u6b63: \u6574\u6570\u4e2d\u306b\u7acb\u3063\u3066\u3044\u308b\u30d3\u30c3\u30c8\u6570\u3067\u306f\u306a\u304f\u3001\u7acb\u3063\u3066\u3044\u308b\u30d3\u30c3\u30c8\u306e\u6700\u5de6\u4f4d\u7f6e\u3092\u6c42\u3081\u308b\u65b9\u6cd5\u3067\u3057\u305f\u3002 java.util.BitSet\u306e\u30bd\u30fc\u30b9\u4e2d\u3067\u3001\u6574\u6570\u4e2d\u306b\u7acb\u3063\u3066\u3044\u308b\u30d3\u30c3\u30c8\u6570\u3092\u6570\u3048\u308b\u30e1\u30bd\u30c3\u30c9\u304c\u9762\u767d\u304b\u3063\u305f\u306e\u3067\u8f09\u305b\u3066\u307f\u307e\u3059\u3002\u4e8c\u5206\u63a2\u7d22\u3092\u30d9\u30bf\u66f8\u304d\u3057\u3066\u3044\u3066\u3001\u6700\u59276\u56de\u306e\u6bd4\u8f03\u3067\u30d3\u30c3\u30c8\u6570\u304c\u6c42\u307e\u308a\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u304c\u6700\u901f\u306a\u306e\u304b\u306a\u3002 private static int bitLen(int w) { return (w < 1<<15 ? (w < 1<<7 ? (w < 1<<3 ? (w < 1<<1 ? (w < 1<<0 ? (w<0 ? 32 : 0) : 1) : (w < 1<<2 ? 2 : 3)) : (w\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkaiseh.hatenadiary.org%2Fentry%2F20081114%2F1226665036\" title=\" \u6574\u6570\u306e\u4e2d\u3067\u7acb\u3063\u3066\u3044\u308b\u30d3\u30c3\u30c8\u6570\u3092\u6c42\u3081\u308b\u65b9\u6cd5 - kaiseh\u306e\u30d6\u30ed\u30b0\" 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","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/kaiseh/","title":" \u6574\u6570\u306e\u4e2d\u3067\u7acb\u3063\u3066\u3044\u308b\u30d3\u30c3\u30c8\u6570\u3092\u6c42\u3081\u308b\u65b9\u6cd5","categories":["Java"],"width":"100%","blog_url":"https://kaiseh.hatenadiary.org/","blog_title":"kaiseh\u306e\u30d6\u30ed\u30b0","published":"2008-11-14 21:17:16","image_url":null,"provider_name":"Hatena Blog","type":"rich"}