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Leetcode Problem 2497. Maximum Star Sum of a Graph

2497. Maximum Star Sum of a Graph

Leetcode Solutions

Sorting Neighbors and Summing Top K Values

  1. Initialize a list of lists to store the neighbors of each node.
  2. Iterate over the edges and populate the neighbors list for each node.
  3. Initialize a variable to keep track of the maximum sum encountered.
  4. For each node, sort its neighbors based on their values in descending order.
  5. Initialize a sum with the value of the current node.
  6. Iterate over the first k neighbors, adding their values to the sum.
  7. If a neighbor's value is negative, break the loop as further values will not contribute positively to the sum.
  8. Update the maximum sum if the current sum is greater.
  9. Return the maximum sum after considering all nodes.
UML Thumbnail

Priority Queue for Neighbors

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