{"author_url":"https://blog.hatena.ne.jp/drken1215/","title":"Educational Codeforces Round 2 D. Area of Two Circles' Intersection (R2000)","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdrken1215.hatenablog.com%2Fentry%2F2020%2F02%2F02%2F005800\" title=\"Educational Codeforces Round 2 D. Area of Two Circles&#39; Intersection (R2000) - \u3051\u3093\u3061\u3087\u3093\u306e\u7af6\u30d7\u30ed\u7cbe\u9032\u8a18\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"https://cdn.user.blog.st-hatena.com/default_entry_og_image/80936665/1516148889515660","blog_title":"\u3051\u3093\u3061\u3087\u3093\u306e\u7af6\u30d7\u30ed\u7cbe\u9032\u8a18\u9332","published":"2020-02-02 00:58:00","provider_name":"Hatena Blog","width":"100%","url":"https://drken1215.hatenablog.com/entry/2020/02/02/005800","type":"rich","categories":["Codeforces","EducationalCodeforces","\u8a08\u7b97\u5e7e\u4f55","\u9762\u7a4d","CodeforcesR2000","\u6d6e\u52d5\u5c0f\u6570\u70b9\u578b\u3092\u6271\u3046\u554f\u984c","\u5186","\u5186\u3068\u5186\u306e\u4ea4\u70b9"],"description":"\u5186\u3068\u5186\u306e\u5171\u901a\u90e8\u5206\u306e\u9762\u7a4d\uff01\uff01\uff01 \u554f\u984c\u3078\u306e\u30ea\u30f3\u30af \u554f\u984c\u6982\u8981 \u5186\u304c 2 \u3064\u4e0e\u3048\u3089\u308c\u308b\u3002\u305d\u308c\u3089\u306e\u5171\u901a\u90e8\u5206\u306e\u9762\u7a4d\u3092\u6c42\u3081\u3088\u3002 \u5236\u7d04 \u5ea7\u6a19\u306e\u7d76\u5bfe\u5024\u304c \u4ee5\u4e0b \u89e3\u6cd5 \u300c\u63a5\u3059\u308b\u5834\u5408\u300d\u3092\u9664\u304f\u3068\u3001\u4ee5\u4e0b\u306e 3 \u30d1\u30bf\u30fc\u30f3\u306b\u308f\u304b\u308c\u308b \u5b8c\u5168\u306b disjoint (\u9762\u7a4d\u306f 0) 2 \u70b9\u3067\u4ea4\u308f\u308b \u4e00\u65b9\u304c\u4ed6\u65b9\u306b\u5305\u542b\u3055\u308c\u308b (\u9762\u7a4d\u306f\u5305\u542b\u3055\u308c\u305f\u5186\u306e\u9762\u7a4d) \u3053\u306e\u3046\u3061\u306e 2 \u756a\u76ee\u306e\u5834\u5408\u304c\u8272\u3005\u3068\u5927\u5909\u306b\u306a\u308b\u3002\u5186\u3068\u5186\u306e\u5171\u901a\u90e8\u5206\u306f \u300c\u6247\u578b\u304b\u3089\u4e8c\u7b49\u8fba\u4e09\u89d2\u5f62\u3092\u9664\u3044\u305f\u3082\u306e\u300d \u00d7 2 \u307f\u305f\u3044\u306a\u30a4\u30e1\u30fc\u30b8\u306a\u3093\u3060\u3051\u3069\u30012 \u5186\u306e\u5927\u304d\u3055\u3068\u914d\u7f6e\u306b\u3088\u3063\u3066\u306f\u300c\u4e2d\u5fc3\u89d2 180 \u5ea6\u8d85\u306e\u6247\u578b\u306b\u4e8c\u7b49\u8fba\u4e09\u89d2\u5f62\u3092\u304f\u3063\u3064\u3051\u305f\u3082\u306e\u300d\u3068\u3044\u3046\u5f62\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u3002 \u3067\u3082\u3001\u4e8c\u7b49\u8fba\u4e09\u89d2\u5f62\u306e\u9762\u7a4d\u3092\u2026","author_name":"drken1215","height":"190","blog_url":"https://drken1215.hatenablog.com/","provider_url":"https://hatena.blog","version":"1.0"}