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Leetcode Problem 1627. Graph Connectivity With Threshold

1627. Graph Connectivity With Threshold

Leetcode Solutions

Union-Find Disjoint Sets

  1. Initialize parent and rank arrays for Union-Find structure.
  2. For each number i from threshold + 1 to n, connect i to its multiples by performing union operations.
  3. For each query [a, b], check if a and b have the same root in the Union-Find structure.
  4. If they do, they are connected; otherwise, they are not.
  5. Return the results of the queries as a list of boolean values.
UML Thumbnail

Graph Connectivity with Sieve of Eratosthenes

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