{"version":"1.0","published":"2017-03-30 04:02:55","title":"Codeforces Round #407 \u554f\u984c\u3068\u89e3\u8aac","image_url":null,"provider_name":"Hatena Blog","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","width":"100%","provider_url":"https://hatena.blog","description":"http://codeforces.com/contest/788 http://codeforces.com/contest/789 A. Anastasia and pebbles K\u500b\u3060\u3051\u5165\u308b\u30dd\u30b1\u30c3\u30c8\u304c2\u3064\u3042\u308b\u3002 N\u7a2e\u985e\u306e\u5c0f\u77f3\u304c\u305d\u308c\u305e\u308cW[i]\u500b\u3042\u308b\u3002 1\u65e5\u306b\u5404\u30dd\u30b1\u30c3\u30c8 \u6700\u5927K\u500b\u3060\u3051\u5165\u308c\u3089\u308c\u308b \u540c\u3058\u7a2e\u985e\u3057\u304b\u5165\u308c\u3089\u308c\u306a\u3044 \u6700\u77ed\u4f55\u65e5\u3067\u5168\u3066\u56de\u53ce\u3067\u304d\u308b\u304b B. Masha and geometric depression B[1], Q\u304c\u4e0e\u3048\u3089\u308c\u308b\u3002 B[i] = B[i - 1]*Q\u3067\u8a08\u7b97\u3055\u308c\u308b\u3002 B[1]\u304b\u3089\u521d\u3081\u3066L M\u500b\u306e\u30c0\u30e1\u6570A[i]\u304c\u3042\u308b\u3002 B[1]\uff5eB[N]\u306e\u4e2d\u3067\u30c0\u30e1\u6570\u3067\u306f\u306a\u3044\u6570\u306f\u4f55\u2026","blog_url":"https://blog.hamayanhamayan.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2017%2F03%2F30%2F040255\" title=\"Codeforces Round #407 \u554f\u984c\u3068\u89e3\u8aac - \u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"url":"https://blog.hamayanhamayan.com/entry/2017/03/30/040255","author_name":"hamayanhamayan","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","type":"rich","height":"190"}