{"provider_url":"https://hatena.blog","url":"https://blog.hamayanhamayan.com/entry/2018/09/08/131522","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2018%2F09%2F08%2F131522\" title=\"3PrimeCounting [yukicoder No.732] - \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>","blog_url":"https://blog.hamayanhamayan.com/","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"description":"https://yukicoder.me/problems/no/732 \u89e3\u6cd5 https://yukicoder.me/submissions/283736c\u3068abc=a+b+c\u3092\u305d\u308c\u305e\u308c\u5168\u63a2\u7d22\u3059\u308b\u3002 \u300cN\u4ee5\u4e0b\u306e\u7d20\u6570\u306e\u500b\u6570\u306fN/logN\u500b\u304f\u3089\u3044\u300d\u3068\u3044\u3046\u306e\u304c\u3042\u308b\u305f\u3081\u3001\u305d\u308c\u305e\u308c\u5168\u63a2\u7d22\u3067O(N^2/log^2N)\u3002 O(N^2)\u306f\u53b3\u3057\u3044\u304c\u3001\u3053\u308c\u306a\u3089\u78ba\u304b\u306b\u898b\u305f\u611f\u3058\u884c\u3051\u305d\u3046\u3002 c\u306fN\u4ee5\u4e0b\u306e\u7d20\u6570\u3001abc\u306f3N\u4ee5\u4e0b\u306e\u7d20\u6570\u3067\u5168\u63a2\u7d22\u3059\u308b\u3002 \u3042\u3068\u306f\u3001c,abc\u304c\u56fa\u5b9a\u306e\u3068\u304d\u306b\u6761\u4ef6\u3092\u6e80\u305f\u3059a,b\u306e\u7d44\u5408\u305b\u3092O(1)\u3067\u6c42\u3081\u3066\u3044\u304d\u305f\u3044\u3002 \u305d\u306e\u305f\u3081\u306b\u3001\u300ccnt[i] := c\u672a\u6e80\u306e2\u3064\u306e\u7d20\u6570\u3092\u8db3\u3057\u3066i\u3068\u306a\u308b\u7d20\u6570\u306e\u7d44\u306e\u7d44\u5408\u305b\u2026","image_url":null,"provider_name":"Hatena Blog","type":"rich","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","version":"1.0","author_name":"hamayanhamayan","height":"190","title":"3PrimeCounting [yukicoder No.732]","width":"100%","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","published":"2018-09-08 13:15:22"}