What is the expected time complexity for this problem?
Interviewers expect a final, optimal solution that runs in O(N) linear time, iterating through the array only once.
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More FAQs in Finding the Second Largest Element in an Array
It tests basic array traversal, state management (tracking multiple variables), and handling of edge cases like duplicates and negative numbers.
Yes. In an array like [10, 10, 5], the largest is 10, and the second largest is 5. Duplicates of the maximum do not count as the second largest.
You can mention them, but interviewers will immediately ask you to implement the logic manually without using built-in sorting or max functions.
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