{"author_url":"https://blog.hatena.ne.jp/tkm-kyudo/","height":"190","blog_url":"https://bondo.hateblo.jp/","provider_name":"Hatena Blog","type":"rich","provider_url":"https://hatena.blog","author_name":"tkm-kyudo","version":"1.0","description":"4\u5b8c1WA\u306723:41 \u524d\u56de\u4e8b\u6545\u3063\u305f\u5206\u306f\u56de\u5fa9\u3057\u305f\u306e\u3067\u307e\u3042\u3088\u3057\uff1f E\u672c\u756a\u4e2d\u306b\u901a\u3057\u305f\u304b\u3063\u305f\u306d A - Circle \u3092\u51fa\u529b\uff01 \u63d0\u51fa\u30b3\u30fc\u30c9 int main(){ cin.tie(0); ios::sync_with_stdio(false); int r; cin >> r; cout << r * r << endl; } B - Echo \u5947\u6570\u306a\u3089\u3060\u3081\u3067\u3001\u5076\u6570\u306e\u3068\u304d\u306b\u6587\u5b57\u5217\u3092\u534a\u5206\u306b\u5206\u5272\u3057\u3066\u4e00\u81f4\u3059\u308b\u304b\u3069\u3046\u304b\u78ba\u304b\u3081\u308b substr\u4f7f\u3046\u306e\u304c\u4e00\u756a\u697d\u304b\u306a\uff1f \u63d0\u51fa\u30b3\u30fc\u30c9 int main(){ cin.tie(0); ios::sync_with_stdio(false); int N; string S\u2026","published":"2019-11-17 03:14:59","blog_title":"\u63a5\u7740\u5264\u306e\u7cbe\u9032\u65e5\u8a18","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/t/tkm-kyudo/20191117/20191117022524.png","title":"AtCoder Beginner Contest 145 \uff08ABC145\uff09","url":"https://bondo.hateblo.jp/entry/2019/11/17/031459","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbondo.hateblo.jp%2Fentry%2F2019%2F11%2F17%2F031459\" title=\"AtCoder Beginner Contest 145 \uff08ABC145\uff09 - \u63a5\u7740\u5264\u306e\u7cbe\u9032\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["AtCoder","AtCoderBeginnerContest","ABC","ABC145"],"width":"100%"}