{"height":"190","width":"100%","description":"test.d import std.stdio; import std.math; double round(double val) { return floor(((val * 100) + 5) / 10.0) / 10.0; } void main() { writeln(round(1.45)); writeln(round(1.44)); }\u5b9f\u884c dmd test.d ./test \u7d50\u679c 1.5 1.4","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fconiglio.hateblo.jp%2Fentry%2F2015%2F09%2F03%2F000427\" title=\"D\u8a00\u8a9e\u3067\u5c11\u6570\u7b2c2\u4f4d\u3067\u56db\u6368\u4e94\u5165 - Coniglio\u306e\u5fd8\u5099\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":[],"provider_name":"Hatena Blog","type":"rich","title":"D\u8a00\u8a9e\u3067\u5c11\u6570\u7b2c2\u4f4d\u3067\u56db\u6368\u4e94\u5165","published":"2015-09-03 00:04:27","provider_url":"https://hatena.blog","blog_url":"https://coniglio.hateblo.jp/","url":"https://coniglio.hateblo.jp/entry/2015/09/03/000427","author_name":"Coniglio","version":"1.0","author_url":"https://blog.hatena.ne.jp/Coniglio/","blog_title":"Coniglio\u306e\u5fd8\u5099\u9332"}