Leetcode Problem 2242. Maximum Score of a Node Sequence

2242. Maximum Score of a Node Sequence

Leetcode Solutions

Top Neighbors Approach

  1. Initialize a dictionary to store the top 3 scoring neighbors for each node.
  2. Iterate over all edges and update the top 3 neighbors for each node involved in the edge.
  3. Initialize a variable to keep track of the maximum score found.
  4. Iterate over all edges again, and for each edge (B, C): a. Iterate over the top 3 neighbors of B and C. b. For each combination of neighbors (A from B's neighbors and D from C's neighbors), check if A and D are not part of the edge and are not the same node. c. If the combination is valid, calculate the score and update the maximum score if it's higher.
  5. Return the maximum score found, or -1 if no valid sequence exists.
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Brute Force Search with Pruning

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