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April 23, 2026 · 1 min read

How would you implement a function in Swift to find the k-th largest element in an array, and what algorithm would you choose?

I would use the Quickselect algorithm, which has an average time complexity of O(n). This is efficient for finding the k-th largest element because it partitions the array and recursively…

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SOFTWARE_ARCHITECT // AI_ENGINEER

📅 Apr 23, 2026 ⏱ 1 min read

HW

How would you implement a function in Swift to find the k-th largest element in an array, and what algorithm would you choose?

COVER // HOW WOULD YOU IMPLEMENT A FUNCTION IN SWIFT TO FIND THE K-TH LARGEST ELEMENT IN AN ARRAY, AND WHAT ALGORITHM WOULD YOU CHOOSE?

I would use the Quickselect algorithm, which has an average time complexity of O(n). This is efficient for finding the k-th largest element because it partitions the array and recursively processes only one side of the partition.

algorithms arrays performance quickselect swift

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