What is the worst-case time complexity for searching an element in an unsorted s

What is the worst-case time complexity for searching an element in an unsorted stack?

What is the worst-case time complexity for searching an element in an unsorted stack?

Step 1: Understand what a stack is. A stack is a collection of elements that follows the Last In First Out (LIFO) principle.
Step 2: Recognize that an unsorted stack means the elements are not arranged in any specific order.
Step 3: When searching for an element in an unsorted stack, you have to look at each element one by one.
Step 4: In the worst-case scenario, the element you are searching for could be the last one you check or it might not be in the stack at all.
Step 5: If there are 'n' elements in the stack, you may need to check all 'n' elements to find the one you are looking for.
Step 6: Therefore, the worst-case time complexity for searching an element in an unsorted stack is O(n).

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