shikaku https://blog.hatena.ne.jp/shikaku/ shikaku's blog https://blog.systemjp.net/ #include <iostream> #include <fstream> #include <vector> #include <string> #include <locale> #include <codecvt> class CSVReader { public: CSVReader(const std::string& filename) : filename_(filename) {} bool ReadCSV(std::vector<std::vector<std::string>>& data) { std::ifstream file(filename_); if (!fi… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.systemjp.net%2Fentry%2F2023%2F12%2F12%2F132620" title="C++でCSVがutf8でもshiftjisでもshiftjisのデータとして読み込めるクラス - shikaku&#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> Hatena Blog https://hatena.blog 2023-12-12 13:26:20 rich https://blog.systemjp.net/entry/2023/12/12/132620 1.0 100%