Tag: a-union-find

All the articles with the tag "a-union-find".

• LeetCode 547 Number of Provinces

  25 Jun, 2026

  Solutions for LeetCode 547, medium, tags: depth-first search, breadth-first search, union find, graph.

• LeetCode 130 Surrounded Regions

  23 Jun, 2026

  Solutions for LeetCode 130, medium, tags: array, depth-first search, breadth-first search, union find, matrix.

• LeetCode 684 Redundant Connection

  8 Jun, 2026

  Solutions for LeetCode 684, medium, tags: tree, union find, graph, depth-first search.

• LeetCode 128 Longest Consecutive Sequence

  26 Apr, 2026

  Solutions for LeetCode 128, medium, tags: array, hash table, union find.

• LeetCode 721 Accounts Merge

  31 Mar, 2026

  Solutions for LeetCode 721, medium, tags: array, hash table, string, depth-first search, breadth-first search, union find, sorting.