{"provider_name":"Hatena Blog","blog_url":"https://tutuz.hateblo.jp/","width":"100%","title":"ABC066-D\uff1a11(600)","categories":[],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftutuz.hateblo.jp%2Fentry%2F2018%2F08%2F03%2F082509\" title=\"ABC066-D\uff1a11(600) - \u6570\u5b66/\u7af6\u30d7\u30ed\u30e1\u30e2\" 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://tutuz.hateblo.jp/entry/2018/08/03/082509","published":"2018-08-03 08:25:09","author_url":"https://blog.hatena.ne.jp/d_tutuz/","version":"1.0","author_name":"d_tutuz","provider_url":"https://hatena.blog","height":"190","type":"rich","description":"\u554f\u984c https://beta.atcoder.jp/contests/abc066/tasks/arc077_b \u8003\u3048\u65b9 \u540c\u3058\u6570\u3067\u5834\u5408\u5206\u3051\u3059\u308b\u3002\u540c\u3058\u6570\u3092\u5de6\u304b\u3089 a_l, a_r \u3068\u3059\u308b\u3002 k \u500b\u9078\u3076\u3068\u304d\u306e\u9078\u3073\u65b9\u306b\u3064\u3044\u3066\u8003\u3048\u308b\u3002 (i)\u540c\u3058\u6570\u30920\u500b\u9078\u3076\u5834\u5408 n-1 \u500b\u306e\u6570\u304b\u3089 k \u500b\u9078\u3076\u5834\u5408\u306e\u5834\u5408\u306e\u6570 n-1 C k (ii)\u540c\u3058\u6570\u30922\u500b\u9078\u3076\u5834\u5408 n-1 \u500b\u306e\u6570\u304b\u3089 k-2 \u500b\u9078\u3076\u5834\u5408\u306e\u5834\u5408\u306e\u6570 n-1 C k-2 (iii)\u540c\u3058\u6570\u30921\u500b\u9078\u3076\u5834\u5408 (A) \u5c11\u306a\u304f\u3068\u3082 [l, r] \u304b\u3089\u3072\u3068\u3064\u4ee5\u4e0a\u306e\u6570\u3092\u9078\u629e\u3059\u308b\u3068\u304d \u3053\u306e\u5834\u5408\u306f a_l, a_r \u3092\u9078\u3093\u3060\u5834\u5408\u3067\u5225\u306e\u90e8\u5206\u5217\u306b\u306a\u308b\u3002\u3053\u308c\u306f\u540c\u3058\u6570\u3092 1\u2026","image_url":null,"blog_title":"\u6570\u5b66/\u7af6\u30d7\u30ed\u30e1\u30e2"}