{"blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","author_name":"hamayanhamayan","provider_url":"https://hatena.blog","image_url":null,"description":"https://atcoder.jp/contests/abc249/tasks/abc249_d \u524d\u63d0\u77e5\u8b58 \u7d04\u6570\u5217\u6319 \u89e3\u8aac https://atcoder.jp/contests/abc249/submissions/31211388 \u3068\u3042\u308b\u6570x\u306e\u7d04\u6570\u5217\u6319\u3092O(sqrt(x))\u3067\u884c\u3046\u65b9\u6cd5\u304c\u3042\u308b\u3002 \u3082\u3057\u5206\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u300c\u7d04\u6570\u5217\u6319\u300d\u3042\u305f\u308a\u3067\u691c\u7d22\u3057\u3066\u3001\u52c9\u5f37\u3057\u3066\u304f\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002 \uff08\u4eca\u56de\u306f\u3001naive\u306b\u7d04\u6570\u5217\u6319\u3059\u308b\u3088\u308a\u3001\u533a\u9593\u3067\u7d04\u6570\u5217\u6319\u3092\u4e8b\u524d\u8a08\u7b97\u3067\u3057\u3066\u304a\u3044\u305f\u65b9\u304c\u65e9\u305d\u3046\u306a\u6c17\u3082\u3059\u308b\u304c\u2026\u672a\u691c\u8a3c\uff09 \u4f55\u304b\u3089\u8003\u3048\u308b\u304b \u307e\u305ai,j,k\u306e\u5168\u5217\u6319\u3092\u8003\u3048\u3066\u307f\u308b\u3002\u3053\u308c\u306fO(N3)\u3067\u5f53\u7136\u9593\u306b\u5408\u308f\u306a\u3044\u3002 \u3060\u304c\u3001\u7d4c\u9a13\u5247\u304b\u3089\u3001\u3053\u3046\u3044\u2026","type":"rich","provider_name":"Hatena Blog","blog_url":"https://blog.hamayanhamayan.com/","title":"Index Trio [\u30e2\u30ce\u30b0\u30b5\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b3\u30f3\u30c6\u30b9\u30c82022\uff08AtCoder Beginner Contest 249\uff09 D]","published":"2022-04-23 22:54:46","width":"100%","version":"1.0","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2022%2F04%2F23%2F225446\" title=\"Index Trio [\u30e2\u30ce\u30b0\u30b5\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30b3\u30f3\u30c6\u30b9\u30c82022\uff08AtCoder Beginner Contest 249\uff09 D] - \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"],"author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","url":"https://blog.hamayanhamayan.com/entry/2022/04/23/225446"}