{"published":"2005-01-31 19:43:44","blog_url":"https://186.hatenablog.com/","provider_name":"Hatena Blog","blog_title":"186 @ hatenablog","version":"1.0","width":"100%","categories":["study"],"description":"Erik Demaine\u3068Martin Demaine\u304c\u8272\u3005\u3068\u30b2\u30fc\u30e0\u7cfb\u3092\u89e3\u6790\u3057\u3066\u3044\u305f\u308a\u3002PushPush is NP-hard in 2D\u3068\u304b\u3002Solitaire Clobber\u306f\u30bd\u30ea\u30c6\u30a3\u30a2\u7d61\u307f\u306e\u8a71\u3002 \u3068\u3044\u3046\u8a33\u3067\u5009\u5eab\u756a\u304cPSPACE\u5b8c\u5168\u306e\u8a71\u306fmy Inputs -- 2003.05.03\u304b\u3089\u8ad6\u6587\u3092\u6f01\u308b\u3068\u5409\u3002 \u65e5\u306e\u76ee\u3092\u898b\u306a\u304b\u3063\u305f\u554f\u984c\u305f\u3061 \u305d\u306e2 --- \u30d1\u30ba\u30eb\u597d\u304d\u306e\u8cb4\u5144\u306b\u8f9b\u53e3\u306e\u4e00\u732e\u3092 ---\u3068\u305d\u306e\u8ffd\u8a18\u3082\u53c2\u7167\u3002 \u3067\u3001\u30c6\u30c8\u30ea\u30b9\u306fNP\u56f0\u96e3\u3002","type":"rich","provider_url":"https://hatena.blog","author_name":"smoking186","image_url":null,"author_url":"https://blog.hatena.ne.jp/smoking186/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2F186.hatenablog.com%2Fentry%2F20050131%2F1107168224\" title=\" \u518d\u9332 \u30b2\u30fc\u30e0\u3068\u30af\u30e9\u30b9 - 186 @ hatenablog\" 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","url":"https://186.hatenablog.com/entry/20050131/1107168224","title":" \u518d\u9332 \u30b2\u30fc\u30e0\u3068\u30af\u30e9\u30b9"}