Question: 2. 20 points] Give an O(n lg k)-time algorithm to merge k sorted lists into one sorted list, where n is the total number of

2. 20 points] Give an O(n lg k)-time algorithm to merge

2. 20 points] Give an O(n lg k)-time algorithm to merge k sorted lists into one sorted list, where n is the total number of elements in all the input lists. (Hint: Use a heap for k-way merging.)

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