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What is the time complexity of Huffman Coding?
  • a)
    O(N)
  • b)
    O(NlogN)
  • c)
    O(N(logN)^2)
  • d)
    O(N^2)
Correct answer is option 'B'. Can you explain this answer?
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What is the time complexity of Huffman Coding?a)O(N)b)O(NlogN)c)O(N(lo...
O(nlogn) where n is the number of unique characters. If there are n nodes, extractMin() is called 2*(n – 1) times. extractMin() takes O(logn) time as it calles minHeapify(). So, overall complexity is O(nlogn). See here for more details of the algorithm.
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