https://yosgi.github.io/zh/tags/string/Recent content in String on YosgiHugozhThu, 08 Oct 2026 01:31:26 +0000https://yosgi.github.io/zh/post/1202-%E4%BA%A4%E6%8D%A2%E5%AD%97%E7%AC%A6%E4%B8%B2%E4%B8%AD%E7%9A%84%E5%85%83%E7%B4%A0/Tue, 06 Jul 2021 00:00:00 +1200https://yosgi.github.io/zh/post/1202-%E4%BA%A4%E6%8D%A2%E5%AD%97%E7%AC%A6%E4%B8%B2%E4%B8%AD%E7%9A%84%E5%85%83%E7%B4%A0/用并查集把可交换的下标分组，组内排序得到字典序最小的字符串。