In bubble sort, how many iterations are required to completely sort an array of size n, where n is the number of elements in the array?
- n
- n log n
- n/2
- n^2
In bubble sort, where each iteration places the largest unsorted element to its correct position, n-1 iterations are required to sort an array of size n, making a total of (n-1) + (n-2) + ... + 1 iterations.
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