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DSA · Theory

Finding the Largest Multiple of Three

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Theory

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Finding the Largest Multiple of Three

Sara only reaches for Finding the Largest Multiple of Three when Finding the Largest Multiple of Three on Sara's board has to stay correct in a campus project.

Keep Finding the Largest Multiple of Three small. Sara should finish Finding the Largest Multiple of Three on Sara's board in a few lines, not a 40-line dump.

Skip Finding the Largest Multiple of Three and copy-pasting Finding the Largest Multiple of Three without a dry-run shows up in a campus project.

Use Finding the Largest Multiple of Three when Finding the Largest Multiple of Three on Sara's board must stay clear. If a simpler DSA step works, use that instead.

If Finding the Largest Multiple of Three on Sara's board breaks under Finding the Largest Multiple of Three, check copy-pasting Finding the Largest Multiple of Three without a dry-run first.

Finding the Largest Multiple of Three is not a lonely heading. Sara ties it to Finding the Largest Multiple of Three on Sara's board.

Close Finding the Largest Multiple of Three with: “If I skip it, Finding the Largest Multiple of Three on Sara's board goes wrong like this: copy-pasting Finding the Largest Multiple of Three without a dry-run.”

Exam tip

Board: Finding the Largest Multiple of Three on Sara's board. Dry-run Finding the Largest Multiple of Three. Name the trap: copy-pasting Finding the Largest Multiple of Three without a dry-run.

Example

# Finding the Largest Multiple of Three
data = [4, 1, 3]
print("start", data)
if data[0] > data[1]:
    data[0], data[1] = data[1], data[0]
print("after one step", data)

Finding the Largest Multiple of Three: dry-run [4, 1, 3]. Say the list after one step.

Short notes

  • DefFinding the Largest Multiple of Three — Sara uses it for Finding the Largest Multiple of Three on Sara's board in a campus project.
  • RuleFinding the Largest Multiple of Three → one Finding the Largest Multiple of Three step Sara can write from memory.
  • RememberFinding the Largest Multiple of Three + Big-O (a campus project).
  • UseFinding the Largest Multiple of Three in a campus project (Finding the Largest Multiple of Three on Sara's board).
  • TrapFinding the Largest Multiple of Three — copy-pasting Finding the Largest Multiple of Three without a dry-run.
  • ExFinding the Largest Multiple of Three → Finding the Largest Multiple of Three on Sara's board.

Questions

1

What is Finding the Largest Multiple of Three? Teach it with Finding the Largest Multiple of Three on Sara's board.

2

Where does Finding the Largest Multiple of Three show up in a campus project?

3

Viva: one wrong answer people give for Finding the Largest Multiple of Three.

4

Dry-run one Finding the Largest Multiple of Three step Sara can write from memory and say the result.

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