hamayanhamayan https://blog.hatena.ne.jp/hamayanhamayan/ はまやんはまやんはまやん https://blog.hamayanhamayan.com/ 競技プログラミング https://atcoder.jp/contests/abc197/tasks/abc197_a 解説 https://atcoder.jp/contests/abc197/submissions/21324500 文字列操作を頑張る問題。 c+であればsubstrを使うと、部分文字列を取り出せる。 string S; //--------------------------------------------------------------------------------------------------- void _main() { cin >> S; string ans … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2021%2F03%2F27%2F224440" title="Rotate [AtCoder Beginner Contest 197（Sponsored by Panasonic） A] - はまやんはまやんはまやん" 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 2021-03-27 22:44:40 rich https://blog.hamayanhamayan.com/entry/2021/03/27/224440 1.0 100%