1.

What is the formula to be used to calculate the total number of comparisons in bubble sort with n elements after k iterations?

A. (4k*k - k)/2
B. (2kn - k*k +k)/2
C. (2kn - k*k - k)/2
D. (2kn + k*k +k)/2
Answer» A. (4k*k - k)/2


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