{"description":"http://codeforces.com/contest/1033/problem/DN\u8981\u7d20\u306e\u914d\u5217A\u304c\u3042\u308b\u3002 \u5404\u8981\u7d20\u306f\u5fc5\u305a\u7d04\u6570\u304c3\uff5e5\u500b\u306b\u306a\u3063\u3066\u3044\u308b\u3002 \u914d\u5217\u306e\u8981\u7d20\u306e\u7dcf\u7a4d\u3092\u53d6\u3063\u305f\u3068\u304d\u3001\u3053\u308c\u306e\u7d04\u6570\u306e\u500b\u6570\u306f\u4f55\u500b\u304b\u3002 \u89e3\u6cd5 http://codeforces.com/contest/1033/submission/43979011\u7d04\u6570\u306e\u5236\u7d04\u3092\u8a00\u3044\u63db\u3048\u308b\u3002 \u7d04\u6570\u304c3\u3064\u2192p^2 \u7d04\u6570\u304c4\u3064\u2192pq or p^3 \u7d04\u6570\u304c5\u3064\u2192p^4 \u203b p,q\u306f\u7d20\u6570 cnt[p] := \u7dcf\u7a4d\u3092\u53d6\u3063\u305f\u6642\u306e\u7d20\u56e0\u6570p\u306e\u500b\u6570 pr := \u7dcf\u7a4d\u306b\u542b\u307e\u308c\u308b\u7d20\u56e0\u6570 done[i] := \u8981\u7d20i\u756a\u76ee\u306e\u51e6\u7406\u304c\u7d42\u308f\u3063\u305f\u304b \u3053\u308c\u3092\u4f5c\u308a\u306a\u304c\u3089\u51e6\u7406\u2026","height":"190","width":"100%","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","published":"2018-10-08 09:47:32","url":"https://blog.hamayanhamayan.com/entry/2018/10/08/094732","version":"1.0","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"image_url":null,"provider_name":"Hatena Blog","type":"rich","provider_url":"https://hatena.blog","author_name":"hamayanhamayan","title":"Divisors [Lyft Level 5 Challenge 2018 - Elimination Round D]","blog_url":"https://blog.hamayanhamayan.com/","html":""}