{"provider_name":"Hatena Blog","type":"rich","blog_title":"naoya_t@hatenablog","provider_url":"https://hatena.blog","description":"\u3075\u30682-SAT\u306e\u4e8b\u304c\u6c17\u306b\u306a\u3063\u3066\u3001\u5fa9\u7fd2\u304c\u3066\u3089Practice Room\u3067SRM464\u306eDiv1 Medium\u554f\u984c\u3092\u958b\u3044\u3066\u307f\u305f\u3002\uff08\u3061\u306a\u307f\u306bSRM464\u306b\u306f\u51fa\u5834\u3057\u3066\u3044\u308b\uff09SAT (\u5145\u8db3\u53ef\u80fd\u6027\u554f\u984c, SATisfiability problem) \u306b\u3064\u3044\u3066\u306f\u3053\u3053\u306e\u8aad\u8005\u306e\u7686\u3055\u3093\u306f\u3054\u5b58\u77e5\u3068\u306f\u601d\u3044\u307e\u3059\u3002NP\u5b8c\u5168\u554f\u984c\u3067\u304a\u306a\u3058\u307f\u306e\u3042\u308c\u3067\u3059 (x_0 \u2228 \u00acx_1) \u2227 (\u00acx_0 \u2228 \u00acx_3) \u2227 ... \u307f\u305f\u3044\u306a\u8ad6\u7406\u5f0f\uff08\u4e57\u6cd5\u6a19\u6e96\u5f62\uff09\u3092\u6e80\u305f\u3059\u771f\u507d\u5024 x_0, x_1, ... \u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u5b58\u5728\u3059\u308b\u304b\u5426\u304b\u3002\uff08\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u305d\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u77e5\u308a\u305f\u304b\u3063\u305f\u308a\u3059\u308b\uff09 \u4e0a\u306e\u4f8b\u3067\u306f\u3059\u3079\u3066\u306e\u7bc0\u304c(\u9ad8\u3005)2\u5909\u6570\u306a\u306e\u30672-SA\u2026","width":"100%","published":"2013-07-13 22:00:34","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnaoyat.hatenablog.jp%2Fentry%2F2013%2F07%2F13%2F220034\" title=\"2-SAT\u3068\u5f37\u9023\u7d50\u6210\u5206\u5206\u89e3 - naoya_t@hatenablog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["TopCoder","SRM","\u904e\u53bb\u554f","Algorithms","\u30b0\u30e9\u30d5\u7406\u8ad6"],"author_name":"n4_t","blog_url":"https://naoyat.hatenablog.jp/","height":"190","image_url":"http://ecx.images-amazon.com/images/I/41bHxtpurqL.jpg","version":"1.0","author_url":"https://blog.hatena.ne.jp/n4_t/","title":"2-SAT\u3068\u5f37\u9023\u7d50\u6210\u5206\u5206\u89e3","url":"https://naoyat.hatenablog.jp/entry/2013/07/13/220034"}