Arrays Linked Lists Questions Long
The time complexity of deleting an element from the beginning of a linked list is O(1), also known as constant time complexity.
In a linked list, each element (node) contains a reference to the next element in the list. To delete an element from the beginning of the linked list, we simply need to update the reference of the head node to point to the next node, effectively skipping the first node.
This operation does not depend on the size of the linked list. Regardless of the number of elements in the list, the deletion can be performed in a constant amount of time. Therefore, the time complexity is O(1).