MediumUnderstandLinked ListsMultiple Choice

Time and space complexity of merging K sorted linked lists using a min-heap?

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Answer Options

AO(N log K) time, O(K) space
BO(N log N) time, O(N) space
CO(N*K) time, O(1) space
DO(K log N) time, O(N) space

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This question is from the Linked Lists topic (Data Structures).

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