Question: In a linked based implementation of the ADT list with only a head reference, what is the performance of removing an entry at the beginning

In a linked based implementation of the ADT list with only a head reference, what is the performance of removing an entry at the beginning of the list?

O (l o g n)

O (1)

O (n^{2})

O (n)

In a linked based implementation of the ADT list with only

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