Leetcode Problem 1584. Min Cost to Connect All Points

1584. Min Cost to Connect All Points

Leetcode Solutions

Prim's Algorithm (Optimized)

  1. Initialize n as the number of nodes, mstCost as 0, edgesUsed as 0, inMST as a boolean array, and minDist with infinity values except for the first node (0).
  2. Set minDist[0] to 0 to start from the first node.
  3. While edgesUsed is less than n: a. Find the node u not in inMST with the smallest value in minDist. b. Add minDist[u] to mstCost and increment edgesUsed. c. Mark u as included in inMST. d. Update minDist for all neighbors of u if the edge to the neighbor is smaller than the current value in minDist.
  4. Return mstCost as the total cost of the MST.
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Kruskal's Algorithm

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