What is the time complexity to insert a node at the beginning of a doubly linked list? O(1)O(n)O(log n)O(n^2)
Question
What is the time complexity to insert a node at the beginning of a doubly linked list? O(1)O(n)O(log n)O(n^2)
Solution
The time complexity to insert a node at the beginning of a doubly linked list is O(1). This is because it takes a constant amount of time to add a new node at the beginning, regardless of the size of the list.
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