{"author_name":"yosupo","description":"\u5618\u89e3\u6cd5\u304b\u3082\u3002 \u307e\u305a\u8003\u5bdf\u3059\u308b\u3002 \u3068\u306b\u304b\u304f2\u30d1\u30bf\u30fc\u30f3\u306e\u4f7f\u3044\u65b9\u304c\u3067\u304d\u308bI\u304c\u9762\u5012\u3002 \u4eee\u306b\u3001IOI\u304c\u7206\u7834\u3055\u308c\u305f\u3089(\u4f7f\u7528\u3067\u304d\u308b\u306e\u304cJOI\u3060\u3051\u3060\u3063\u305f\u3089)\u30cf\u30b8\u304b\u3089\u8caa\u6b32\u306b\u307b\u3044\u307b\u3044\u3064\u304f\u308c\u3070\u3044\u3044\u3002 \u306a\u306e\u3067\u3001\u6587\u5b57\u5217\u4e2d\u306eI\u3092\u4f55\u6587\u5b57\u304bJ\u306b\u5909\u63db\u3057\u3001\u8caa\u6b32\u306b\u53d6\u308b\u3068\u3044\u3046\u4e8b\u3092\u8003\u3048\u308b\u3002 I\u306e\u4f55\u6587\u5b57\u304b\u306e\u9078\u3073\u65b9\u304c2^n\u901a\u308a\u306a\u306e\u3067\u3001O(n2^n)\u3067\u89e3\u3051\u308b\u3002 \u3060\u304c\u3001\u3059\u3079\u3066\u306eI\u306e\u9078\u3073\u65b9\u306b\u3064\u3044\u3066\u8003\u3048\u306a\u304f\u3066\u3082\u3001\u5de6\u5074\u304b\u3089\u4f55\u6587\u5b57\u304bI\u3092\u9078\u3076\u3068\u3044\u3046\u9078\u3073\u65b9\u3060\u3051\u8003\u3048\u308c\u3070\u826f\u3044\u3002 \u6700\u9069\u89e3\u306b\u304a\u3044\u3066\u3001(3\u6587\u5b57\u76ee\u3068\u3057\u3066\u3064\u304b\u3046I)\u304c(1\u6587\u5b57\u76ee\u3068\u3057\u3066\u3064\u304b\u3046I)\u3088\u308a\u5de6\u5074\u306b\u6765\u308b\u3053\u3068\u304c\u306a\u3044\u3088\u3046\u306b\u3067\u304d\u308b\u304b\u3089\u3002(\u305d\u306e\u3088\u3046\u306aI\u306e\u30da\u30a2\u304c\u3042\u3063\u305f\u3089swap\u3059\u308c\u3070\u3044\u3044) \u3060\u304b\u3089\u305d\u306e\u4f55\u6587\u5b57\u304b\u3092\u2026","provider_url":"https://hatena.blog","url":"https://yosupo.hatenablog.com/entry/2015/01/31/041540","type":"rich","version":"1.0","published":"2015-01-31 04:15:40","categories":[],"provider_name":"Hatena Blog","image_url":null,"author_url":"https://blog.hatena.ne.jp/yosupo/","width":"100%","blog_url":"https://yosupo.hatenablog.com/","title":"JOIOI\u306e\u5854","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyosupo.hatenablog.com%2Fentry%2F2015%2F01%2F31%2F041540\" title=\"JOIOI\u306e\u5854 - \u3088\u3059\u307d\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","blog_title":"\u3088\u3059\u307d\u306e\u65e5\u8a18"}