{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fprivate-yusuke.hatenadiary.jp%2Fentry%2F2019%2F05%2F19%2F235731\" title=\"AtCoder Beginner Contest 126\u306e\u89e3\u8aac - private-yusuke\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","published":"2019-05-19 23:57:31","categories":[],"description":"A - Changing a Character \u5165\u529b: \u51fa\u529b: \u65b0\u3057\u304f\u3067\u304d\u305f \u5236\u7d04: \u306f'A', 'B', 'C'\u304b\u3089\u306a\u308b\u9577\u3055\u306e\u6587\u5b57\u5217 A, B, C\u3092\u305d\u308c\u305e\u308ca, b, c\u306b\u5909\u63db\u3059\u308b\u95a2\u6570\u3092\u4f5c\u3063\u3066\u3042\u3052\u308c\u3070\u3088\u3044\u3067\u3059\u3002 void main() { auto ip = readAs!(int[]), N = ip[0], K = ip[1]; auto S = rs; writeln(S[0..K-1] ~ f(S[K-1]) ~ S[K..$]); } char f(char x) { switch (x) { case 'A': return 'a'; case 'B': return 'b'\u2026","image_url":"https://chart.apis.google.com/chart?cht=tx&chl=%20N%5C%20K","blog_title":"private-yusuke\u2019s diary","author_name":"private_yusuke","height":"190","title":"AtCoder Beginner Contest 126\u306e\u89e3\u8aac","author_url":"https://blog.hatena.ne.jp/private_yusuke/","blog_url":"https://private-yusuke.hatenadiary.jp/","type":"rich","provider_url":"https://hatena.blog","width":"100%","provider_name":"Hatena Blog","url":"https://private-yusuke.hatenadiary.jp/entry/2019/05/19/235731"}