{"published":"2020-09-16 08:00:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftnakamura.hatenablog.com%2Fentry%2F2020%2F09%2F16%2Farc061c\" title=\"ARC061C - \u305f\u304f\u3055\u3093\u306e\u6570\u5f0f - present\" 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","url":"https://tnakamura.hatenablog.com/entry/2020/09/16/arc061c","categories":["C#","\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"author_url":"https://blog.hatena.ne.jp/griefworker/","provider_name":"Hatena Blog","title":"ARC061C - \u305f\u304f\u3055\u3093\u306e\u6570\u5f0f","image_url":null,"width":"100%","provider_url":"https://hatena.blog","description":"atcoder.jp \u5165\u529b\u6587\u5b57\u5217 S \u306e\u9577\u3055\u3092 N \u3068\u3057\u3066\u3001\u6587\u5b57\u3068\u6587\u5b57\u306e\u9593\u306b '+' \u304c\u5165\u308b\u307e\u305f\u306f\u5165\u3089\u306a\u3044\u30d1\u30bf\u30fc\u30f3\u306f\u5168\u90e8\u3067 2N-1 \u901a\u308a\u30022N \u901a\u308a\u306e\u5168\u63a2\u7d22\u3067\u6709\u52b9\u306a\u30d3\u30c3\u30c8\u5168\u63a2\u7d22\u3092\u4f7f\u3063\u3066\u307f\u305f\u3002 using System; using System.Collections.Generic; namespace ARC061C { class Program { static void Main(string[] args) { var S = Console.ReadLine(); var bitLength = S.Length - 1; var answer = 0L; for (var b\u2026","blog_title":"present","author_name":"griefworker","blog_url":"https://tnakamura.hatenablog.com/","type":"rich","height":"190"}