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Leetcode Problem 2509. Cycle Length Queries in a Tree

2509. Cycle Length Queries in a Tree

Leetcode Solutions

Finding Cycle Length Using Lowest Common Ancestor (LCA)

  1. Initialize an array to store the results for each query.
  2. Iterate over each query in the queries array.
  3. For each query, find the LCA of the two nodes ai and bi.
  4. Calculate the distance from each node to the LCA.
  5. Add the distances and 1 (for the added edge) to get the cycle length.
  6. Store the cycle length in the results array.
  7. Return the results array after processing all queries.
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Brute Force Approach with Path Tracking

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