{"description":"Quiz https://atcoder.jp/contests/practice2/tasks/practice2_f Document https://atcoder.github.io/ac-library/document_ja/convolution.html","type":"rich","blog_url":"https://perogram.hateblo.jp/","version":"1.0","height":"190","url":"https://perogram.hateblo.jp/entry/2020/09/18/043806","categories":[],"provider_name":"Hatena Blog","author_name":"peroon","width":"100%","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fperogram.hateblo.jp%2Fentry%2F2020%2F09%2F18%2F043806\" title=\"F - Convolution \u7573\u307f\u8fbc\u307f - perogram\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"F - Convolution \u7573\u307f\u8fbc\u307f","blog_title":"perogram","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/p/peroon/20200918/20200918043759.png","published":"2020-09-18 04:38:06","author_url":"https://blog.hatena.ne.jp/peroon/"}