{"image_url":null,"description":"\u554f\u984c \u8981\u7d20\u304c\u4e00\u3064\u3060\u3051\u306e\u6570\u5217a(a[0] = 1)\u304b\u3089\u306f\u3058\u3081\u3066\u3001\u6570\u5217a\u4e2d\u306e\u4efb\u610f\u306e2\u3064\u306e\u8981\u7d20\u306e\u548c\u3092\u53d6\u308a\u3001\u305d\u308c\u304c\u6700\u7d42\u9805\u3088\u308a\u5927\u304d\u3044\u5834\u5408\u306b\u6700\u7d42\u9805\u306e\u5f8c\u308d\u306b\u304f\u3063\u3064\u3051\u308b\u3068\u3044\u3046\u64cd\u4f5c\u3092\u7e70\u308a\u8fd4\u3057\u3066\u3001\u5165\u529b\u3068\u3057\u3066\u4e0e\u3048\u3089\u308c\u308bn\u3092\u3064\u304f\u308a\u305f\u3044\u3002 \u64cd\u4f5c\u56de\u6570\u304c\u6700\u5c0f\u3067\u3042\u308b\u3068\u304d\u306e\u3001\u6700\u7d42\u7684\u306a\u6570\u5217\u3092\u51fa\u529b\u305b\u3088\u3002\u8907\u6570\u30d1\u30bf\u30fc\u30f3\u3042\u308b\u5834\u5408\u306f\u3069\u308c\u304b\u4e00\u3064\u3067\u826f\u3044\u3002 \u3084\u308a\u304b\u305f \u306a\u306b\u304b\u3046\u307e\u3044\u65b9\u6cd5\u304c\u3042\u308b\u3060\u308d\u3046\u3068\u601d\u3063\u305f\u304c\u3001\u8abf\u3079\u308b\u3068shortest addition chain\uff08\u6700\u77ed\u52a0\u6cd5\u9396\uff09\u554f\u984c\u3068\u3044\u3063\u3066NP\u5b8c\u5168\u306b\u5c5e\u3059\u308b\u554f\u984c\u306e\u3088\u3046\u3060\u3002 Addition chain - Wikipedia A003313 - OEIS\u305f\u3060\u4eca\u56de\u306f\u5165\u529b\u304c\u5c0f\u3055\u3044\u306e\u3067\u5168\u63a2\u7d22\u3067\u3082\u901a\u308b\u3002 \u30ce\u30fc\u2026","provider_name":"Hatena Blog","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Farea.hateblo.jp%2Fentry%2F2017%2F01%2F12%2F215801\" title=\"POJ 2248 Addition Chains - Area1\u306eif(memo[i][j])\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","published":"2017-01-12 21:58:01","provider_url":"https://hatena.blog","blog_url":"https://area.hateblo.jp/","version":"1.0","author_url":"https://blog.hatena.ne.jp/Area1/","title":"POJ 2248 Addition Chains","type":"rich","blog_title":"Area1\u306eif(memo[i][j])","url":"https://area.hateblo.jp/entry/2017/01/12/215801","author_name":"Area1","categories":["POJ","\u6df1\u3055\u512a\u5148\u63a2\u7d22"]}