{"title":"Codeforces ECR #188 : E. Sum of Digits (and Again)","provider_url":"https://hatena.blog","url":"https://kmjp.hatenablog.jp/entry/2026/05/04/0930","version":"1.0","description":"\u3061\u3087\u3063\u3068\u624b\u9593\u53d6\u3063\u305f\u3051\u3069\u307e\u3042\u666e\u901a\u306b\u89e3\u3051\u305f\u3002 https://codeforces.com/contest/2204/problem/E","type":"rich","height":"190","author_name":"kmjp","author_url":"https://blog.hatena.ne.jp/kmjp/","blog_title":"kmjp's blog","provider_name":"Hatena Blog","blog_url":"https://kmjp.hatenablog.jp/","categories":["Codeforces"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2026%2F05%2F04%2F0930\" title=\"Codeforces ECR #188 : E. Sum of Digits (and Again) - kmjp&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"published":"2026-05-04 09:30:00","width":"100%"}