In bubble sort, what happens in each pass through the array?
- Adjacent elements are compared
- Elements are divided into subarrays
- Elements are sorted randomly
- Largest element is moved to end
In each pass through the array in bubble sort, adjacent elements are compared, and if they are in the wrong order, they are swapped. This process continues until the entire array is sorted. As a result, the largest unsorted element "bubbles" to its correct position in each pass. Bubble sort repeats this process for each element in the array until no swaps are needed, indicating that the array is sorted. The algorithm's name is derived from this bubbling behavior that occurs during sorting.
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