{"type":"rich","url":"https://blog.ngtkana.com/entry/2020/04/19/233203","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/n/ngtkana/20200329/20200329000832.png","published":"2020-04-19 23:32:03","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.ngtkana.com%2Fentry%2F2020%2F04%2F19%2F233203\" title=\"AtCoder Beginner Contest 163 \u89e3\u6cd5 - \u30d6\u30ed\u30b0\u540d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","width":"100%","version":"1.0","author_url":"https://blog.hatena.ne.jp/ngtkana/","categories":[],"blog_url":"https://blog.ngtkana.com/","title":"AtCoder Beginner Contest 163 \u89e3\u6cd5","provider_url":"https://hatena.blog","description":"\u7d50\u679c 91:47 \u5168\u5b8c\u3067\u3059\u3002 \u4eca\u56de\u306f\u304b\u306a\u308a\u5b89\u5b9a\u3092\u53d6\u3063\u305f\u4e0a\u306b\u3001\u6bd4\u8f03\u7684\u96e3\u3057\u76ee\u306a\u56de\u3067\u3057\u305f\u304b\u3089\u3001\u5168\u5b8c\u3067\u304d\u308c\u3070\u826f\u3057\u3068\u3057\u307e\u3057\u3087\u3046\u304b\u3002 \u89e3\u6cd5 A - Circle Pond (00:03:43) \u30b5\u30f3\u30d7\u30eb\u306e 6.28318530717958623200 \u3092\u30b3\u30d4\u30fc\u3057\u3066\u639b\u3051\u7b97\u304c\u3088\u3044\u3067\u3059\u3002 ld x;std::cin>>x; std::cout<<x*6.28318530717958623200<<'\\n'; ld \u306f\u79c1\u306e\u5b9a\u7fa9\u3057\u3066\u3044\u308b long double \u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u3067\u3059\u3002 B - Homework (00:04:45) \u8ca0\u306b\u306a\u3063\u3066\u3082\u304a\u69cb\u3044\u306a\u3057\u3067\u3059\u3079\u3066\u5f15\u3044\u3066\u3057\u307e\u3063\u3066\u3001\u3042\u3068\u3067\u78ba\u8a8d\u3067\u3059\u3002 lint n,m;std\u2026","blog_title":"\u30d6\u30ed\u30b0\u540d","provider_name":"Hatena Blog","author_name":"ngtkana"}