https://yosgi.github.io/en/tags/string/Recent content in String on YosgiHugoenThu, 08 Oct 2026 01:31:25 +0000https://yosgi.github.io/en/post/1202-swap-elements-in-a-string/Tue, 06 Jul 2021 00:00:00 +1200https://yosgi.github.io/en/post/1202-swap-elements-in-a-string/Producing the lexicographically smallest string after swaps by grouping swappable indices with union-find and sorting each group.