Computer Science · Data Structures and Algorithms
Counting Sort has time complexity O(K) + O(n) + O(K) + O(n) = O(n + K) and space complexity O(n + K), where n is the number of elements and K is the range of input values. Under which condition does Counting Sort achieve linear time and space complexity?
- 1K << log n
- 2K ≈ n✓
- 3Counting Sort is always linear regardless of K
- 4K >> n
Correct answer
K ≈ n
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