For a list of n elements, bubble sort makes how many passes?
An minus 1
Bn minus 2
Cn minus 3
Dn minus 4
Answer & Solution
Correct answer: A. n minus 1
1. Each pass fixes one more element into place.
2. The final element is left correct by elimination.
3. For a list with n elements, bubble sort makes a total of n minus 1 passes.
4. So the answer is n minus 1.
_Source: syllabus Computer Science, Ch 5 'Sorting' and Ch 6 'Searching'_
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