Assume that a merge sort algorithm in the worst case takes 30 seconds for an input of size 64. Which of the following most closely approximates the maximum input size of a problem that can be solved in 6 minutes?
256
512
1024
2048
How to do this???
Sorting quiz doubts
Time complexity of merge sort is Θ(nLogn)
c*64Log64 is 30
c*64*6 is 30
c is 5/64
For time 6 minutes
5/64*nLogn = 6*60
nLogn = 72*64 = 512 * 9
n = 512
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