Bubble sort algorithm flowchart
This bubble sort algorithm flowchart presents the sorting process as a readable sequence: read the array, compare adjacent values, swap pairs that are out of order, and repeat passes until no swap occurs. It is particularly useful in introductory programming material, where students need to understand why one pass alone does not sort the whole array.
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Scenario
A computer science student needs a compact visual of bubble sort that shows its repeated-pass condition without crowded return arrows.
Key decisions
- Adjacent comparison: Each pass compares neighboring values in the remaining unsorted range.
- Swap condition: Only out-of-order pairs are exchanged, moving larger values toward the end.
- Termination rule: A full pass with no swaps is the stopping condition for a sorted array.
- Loop subroutine: The repeated passes are grouped in one explicit subroutine to keep the flowchart readable.
When to reuse this
Use this for introductory algorithm instruction and trace exercises. For production sorting, choose an algorithm appropriate to the data size and requirements.
Frequently asked questions
When does bubble sort stop?
What values are compared?
Why is the repeat step a subroutine?
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