{"provider_url":"https://hatena.blog","url":"https://blog.ngtkana.com/entry/2020/02/01/225715","description":"\u30b3\u30f3\u30c6\u30b9\u30c8\u30da\u30fc\u30b8 https://codeforces.com/contest/600 20:30\u304f\u3089\u3044\u304b\u3089\u3084\u308a\u307e\u3059https://t.co/ipyBWT9svq\u2014 idsigma (@IKyopro) February 1, 2020 \u30ab\u30c4\u30b5\u30f3\u30c9\u3055\u3093\u30d0\u30c1\u30e3\u3067\u3059\u3002 \u89e3\u6cd5 \u2714A - Extract Numbers \u3053\u308c\u306f\u306a\u3093\u3067\u3059\u304b\uff1f C# \u306a\u3089\u3070 Split \u3068 SelectMany \u3067\u5206\u89e3\u304c\u3067\u304d\u307e\u3059\u3002 \u6574\u6570\u3067\u3042\u308b\u6761\u4ef6\u306f\u3001\u3059\u3079\u3066\u304c\u6570\u5b57\u3067\u3001\u7a7a\u3067\u306a\u304f\u3066\u3001\u9577\u3055\u304c 1 \u3082\u3057\u304f\u306f\u5148\u982d\u304c '0' \u3067\u306a\u3044\u3067\u3059\u3002 A\u306f\u30b3\u30fc\u30c9\u7de8\u96c6\u30df\u30b9\u3092\u76f4\u3057\u305f\u3089\u901a\u3063\u305f\u30022\u6841\u76ee\u4ee5\u964d\u306b'0'\u304c\u3042\u308b\u5834\u5408\u3092\u6570\u5b57\u3067\u306a\u3044\u307b\u3046\u306b\u5206\u985e\u3057\u3066\u305f\u3002\u3002\u30a2\u2026","height":"190","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/n/ngtkana/20200201/20200201225414.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.ngtkana.com%2Fentry%2F2020%2F02%2F01%2F225715\" title=\"Educational Codeforces Round 2 (virtual) \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>","author_url":"https://blog.hatena.ne.jp/ngtkana/","title":"Educational Codeforces Round 2 (virtual) \u89e3\u6cd5","provider_name":"Hatena Blog","blog_url":"https://blog.ngtkana.com/","author_name":"ngtkana","published":"2020-02-01 22:57:15","blog_title":"\u30d6\u30ed\u30b0\u540d","width":"100%","type":"rich","categories":[],"version":"1.0"}