Question: Suppose that you have implemented a sorting algorithm A . You ran the algorithm on many test cases. The observed running time for sorting an

Suppose that you have implemented a sorting algorithm A. You ran the algorithm on many test cases. The observed running time for sorting an array of n elements is denoted by T(n). You observe that T(2n)/T(n) is very close to 4, for large values of n. Which sorting algorithm is being implemented?
Heapsort
Mergesort
Insertion Sort

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