Question: If a priority queue is being implemented using an unordered list, what is the Big-O complexity of the IsEmpty operation? [1] O(1) [2] O(logN) [3]

If a priority queue is being implemented using an unordered list, what is the Big-O complexity of the IsEmpty operation?

[1] O(1)

[2] O(logN)

[3] O(N)

[4] O(N*N)

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