{"provider_url":"https://hatena.blog","description":"\u5c0f\u30cd\u30bf\u3002\u3042\u308b\u6574\u6570\u304c2\u306e\u3079\u304d\u4e57\u6570\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u306e\u5224\u5b9a\u306f\u3001 !(n & (n-1)) \u3067\u884c\u3051\u308b\u3089\u3057\u3044\u3002\u3057\u304b\u3082\u5272\u5408\u6709\u540d\u3089\u3057\u3044\u3002\u77e5\u3089\u306a\u304b\u3063\u305f\u3002\u306a\u305c\u305d\u3046\u306a\u308b\u306e\u304b\u4e00\u77ac\u8003\u3048\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u3001\u6065\u3055\u3089\u3057\u3002\uff08\u8a3c\u660e\uff09 (i) \u6574\u6570n\u304c2\u306e\u3079\u304d\u4e57\u6570\u306e\u5834\u5408 n\u30922\u9032\u6570\u3067\u8868\u3059\u3068 1000...00 \u3068\u306a\u308a\u3001\u6700\u4e0a\u4f4d\u30d3\u30c3\u30c8\u306e\u307f\u304c1\u3067\u3042\u308b\u306e\u3067\u3001n-1 \u306f\u3001 111...111 \u3068\u306a\u308b\u3002\u3088\u3063\u3066\u3001\u4e21\u8005\u306e\u30d3\u30c3\u30c8\u8ad6\u7406\u7a4d\u3092\u3068\u308c\u3070\u3001\u5fc5\u305a0\u306b\u306a\u308b\u3002 1000...00 111...11 - 0000...00 (ii) \u6574\u6570n\u304c2\u306e\u3079\u304d\u4e57\u6570\u3067\u306a\u3044\u5834\u5408 n\u30922\u9032\u6570\u3067\u8868\u3059\u3068\u3001\u6700\u4e0a\u4f4d\u30d3\u30c3\u30c8\u4ee5\u5916\u306b1\u3067\u3042\u308b\u30d3\u30c3\u30c8\u304c\u5c11\u306a\u304f\u3068\u30821\u3064\u5b58\u5728\u3059\u308b\u3002 \u3088\u3063\u3066\u3001n-\u2026","published":"2008-07-18 00:00:00","height":"190","provider_name":"Hatena Blog","blog_title":"\u672c\u5f53\u306f\u6016\u3044HPC & AI","width":"100%","image_url":null,"version":"1.0","blog_url":"https://freak-da.hatenablog.com/","author_name":"keisukefukuda","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffreak-da.hatenablog.com%2Fentry%2F20080718%2Fp1\" title=\" \u3042\u308b\u6574\u6570\u304c2\u306e\u3079\u304d\u4e57\u6570\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u6c42\u3081\u308b\u306b\u306f\u3001!(n &amp; (n-1))\u3067\u3088\u3044 - \u672c\u5f53\u306f\u6016\u3044HPC &amp; AI\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://freak-da.hatenablog.com/entry/20080718/p1","author_url":"https://blog.hatena.ne.jp/keisukefukuda/","title":" \u3042\u308b\u6574\u6570\u304c2\u306e\u3079\u304d\u4e57\u6570\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u6c42\u3081\u308b\u306b\u306f\u3001!(n & (n-1))\u3067\u3088\u3044","categories":["\u96d1\u8ac7"]}