{"height":"190","author_name":"drken1215","categories":["NoviSteps7Q","\u7b97\u6570\u3068\u6570\u5b66","\u6613\u3057\u3044\u7b97\u6570\u3068\u6570\u5b66","\u7070\u8272diff","AtCoder","AtCoder100\u70b9","ABC-A","\u6f14\u7b97\u5b50\u300c/\u300d\u300c%\u300d\u3092\u7528\u3044\u308b\u554f\u984c"],"width":"100%","url":"https://drken1215.hatenablog.com/entry/2024/08/16/230753","title":"AtCoder ABC 266 A - Middle Letter (7Q, \u7070\u8272, 100 \u70b9)","description":"\u610f\u5916\u3068\u3001\u3053\u3046\u3044\u3046\u306e\u6700\u521d\u306f\u8a70\u307e\u308b\u304b\u3082\u3057\u308c\u306a\u3044\uff01 \u554f\u984c\u3078\u306e\u30ea\u30f3\u30af \u554f\u984c\u6982\u8981 \u82f1\u5c0f\u6587\u5b57\u304b\u3089\u306a\u308b\u9577\u3055\u304c\u5947\u6570\u306e\u6587\u5b57\u5217 \u304c\u4e0e\u3048\u3089\u308c\u308b\u306e\u3067\u3001 \u306e\u4e2d\u592e\u306e\u6587\u5b57\u3092\u51fa\u529b\u305b\u3088\u3002 \u8003\u3048\u305f\u3053\u3068 \u306e\u5148\u982d\u306e\u6587\u5b57\u3092 0 \u6587\u5b57\u76ee\u3068\u8003\u3048\u308b\u3053\u3068\u306b\u3059\u308b\u3002\u7d50\u8ad6\u304b\u3089\u8a00\u3048\u3070\u3001 \u306e\u9577\u3055\u3092 \u3068\u3057\u305f\u3068\u304d\u3001\u4e2d\u592e\u306e\u6587\u5b57\u306f S[N/2] \u3068\u8868\u305b\u308b\uff08S[(N - 1) / 2] \u3067\u3082\u3088\u3044\uff09\u3002\u5177\u4f53\u7684\u306a\u6570\u5024\u3067\u78ba\u304b\u3081\u3066\u307f\u3088\u3046\u3002 \u306e\u3068\u304d\uff1a \u3067\u3042\u308a\u3001\u4e2d\u592e\u306e\u6587\u5b57\u306f S[0] \u306e\u3068\u304d\uff1a \u3067\u3042\u308a\u3001\u4e2d\u592e\u306e\u6587\u5b57\u306f S[1] \u306e\u3068\u304d\uff1a \u3067\u3042\u308a\u3001\u4e2d\u592e\u306e\u6587\u5b57\u306f S[2] ... \u3068\u306a\u308a\u3001\u78ba\u304b\u306b\u5408\u3063\u3066\u3044\u308b\u3002 \u30b3\u30fc\u30c9 #include <bits/stdc++.h> using na\u2026","author_url":"https://blog.hatena.ne.jp/drken1215/","published":"2024-08-16 23:07:53","blog_url":"https://drken1215.hatenablog.com/","version":"1.0","blog_title":"\u3051\u3093\u3061\u3087\u3093\u306e\u7af6\u30d7\u30ed\u7cbe\u9032\u8a18\u9332","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdrken1215.hatenablog.com%2Fentry%2F2024%2F08%2F16%2F230753\" title=\"AtCoder ABC 266 A - Middle Letter (7Q, \u7070\u8272, 100 \u70b9) - \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>","provider_name":"Hatena Blog","type":"rich","provider_url":"https://hatena.blog","image_url":"https://cdn.user.blog.st-hatena.com/default_entry_og_image/80936665/1687765056723440"}