fimbul https://blog.hatena.ne.jp/fimbul/ ここは匣 https://fimbul.hateblo.jp/ 何かの役に立つかも 実行結果 http://melpon.org/wandbox/permlink/MJN1EGWMw1ixnvBJ #include <iostream> template <typename T, std::size_t N> std::ostream& operator<< (std::ostream& os, const T(&arr)[N]) { os << '{'; std::size_t i = 0; for (const auto& v : arr) { os << v; if (++i != N) { os << ',' << ' '; } } os << '… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffimbul.hateblo.jp%2Fentry%2F2016%2F03%2F12%2F041038" title="coutで多次元配列のdump - ここは匣" 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 2016-03-12 04:10:38 rich https://fimbul.hateblo.jp/entry/2016/03/12/041038 1.0 100%