Which of the following is true about the efficiency of inserting an element into an array list?
A)It always has O(n) efficiency
B)When the insertion happens before the last element, it is O(1)
C)When the insertion happens on the last element, it is O(n)
D)When the insertion happens after the last element, it is O(1)

Question

Quizplus · Accepted Answer

Inserting an element after the last element in an array list is efficient, with an average time complexity of O(1), as it typically involves adding the element to the end without shifting other elements.

Which of the Following Is True About the Efficiency of Inserting