{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftnakamura.hatenablog.com%2Fentry%2F2020%2F09%2F12%2Fabc098c\" title=\"ABC098C - Attention - present\" 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","categories":["C#","\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"provider_url":"https://hatena.blog","author_name":"griefworker","published":"2020-09-12 08:00:30","author_url":"https://blog.hatena.ne.jp/griefworker/","title":"ABC098C - Attention","description":"atcoder.jp \u897f\u5074\u304b\u3089\u300c\u81ea\u5206\u3088\u308a\u897f\u306b\u3044\u308b\u306e\u306b\u897f\u3092\u5411\u3044\u3066\u3044\u308b\u4eba\u306e\u6570\u300d\u3092\u6570\u3048\u308b\u3002 \u540c\u6642\u306b\u3001\u6771\u5074\u304b\u3089\u300c\u81ea\u5206\u3088\u308a\u6771\u306b\u3044\u308b\u306e\u306b\u6771\u3092\u5411\u3044\u3066\u3044\u308b\u4eba\u306e\u6570\u300d\u3082\u6570\u3048\u308b\u3002 \u6700\u5f8c\u306b\u3001\u300c\u81ea\u5206\u3088\u308a\u897f\u306b\u3044\u308b\u306e\u306b\u897f\u3092\u5411\u3044\u3066\u3044\u308b\u4eba\u306e\u6570\u300d\u3068\u300c\u81ea\u5206\u3088\u308a\u6771\u306b\u3044\u308b\u306e\u306b\u6771\u3092\u5411\u3044\u3066\u3044\u308b\u4eba\u306e\u6570\u300d\u306e\u6700\u5c0f\u5024\u3092\u8a08\u7b97\u3059\u308c\u3070 OK\u3002 \u8a08\u7b97\u91cf\u306f O(2N) \u304b\u306a\u3002 using System; namespace ABC098C { class Program { static void Main(string[] args) { var N = int.Parse(Console.ReadLine()); var S = Console.Rea\u2026","width":"100%","blog_url":"https://tnakamura.hatenablog.com/","height":"190","version":"1.0","image_url":null,"url":"https://tnakamura.hatenablog.com/entry/2020/09/12/abc098c","blog_title":"present","type":"rich"}