{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frochefort.hatenablog.com%2Fentry%2F2014%2F09%2F28%2F110206\" title=\"RACING CHARS(CodeEval) - rochefort&#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>","provider_name":"Hatena Blog","title":"RACING CHARS(CodeEval)","url":"https://rochefort.hatenablog.com/entry/2014/09/28/110206","blog_title":"rochefort's blog","height":"190","provider_url":"https://hatena.blog","published":"2014-09-28 11:02:06","description":"CHALLENGE DESCRIPTION: In this challenge you will be given a file where each line is a section of a race track with obstructions, gates and checkpoints. The goal is to find a way of passing this track, using the following rules: Each section contains only a single gate or a gate with a checkpoint. T\u2026","categories":["ruby","codeeval"],"blog_url":"https://rochefort.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/rochefort/","width":"100%","version":"1.0","author_name":"rochefort","type":"rich","image_url":null}