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DSA · Theory

Deletion at the end

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Theory

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Deletion at the end

Deletion at the end is simple if you keep it on paper. Asha uses it for Asha walking through Deletion at the end in a first job task.

Deletion at the end on the board: one Deletion at the end step Asha can write from memory. Then say what Asha walking through Deletion at the end looks like after.

Skip Deletion at the end and skipping the failure case for Deletion at the end shows up in a first job task.

Asha ships Deletion at the end in a first job task. That is the use case worth saying.

Deletion at the end trap — skipping the failure case for Deletion at the end. Asha loses marks for that every viva.

Place Deletion at the end next to nearby DSA work — one Deletion at the end step Asha can write from memory is the link.

One breath for Deletion at the end, then Asha walking through Deletion at the end, then skipping the failure case for Deletion at the end. Sit down.

Exam tip

For Deletion at the end: definition + a first job task + one failure.

Example

# Deletion at the end
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)

Deletion at the end: dry-run [4, 1, 3]. Say the list after one step.

Short notes

  • DefDeletion at the end — Asha uses it for Asha walking through Deletion at the end in a first job task.
  • RuleDeletion at the end → one Deletion at the end step Asha can write from memory.
  • RememberDeletion at the end + Big-O (a first job task).
  • UseDeletion at the end in a first job task (Asha walking through Deletion at the end).
  • TrapDeletion at the end — skipping the failure case for Deletion at the end.
  • ExDeletion at the end → Asha walking through Deletion at the end.

Questions

1

What is Deletion at the end? Teach it with Asha walking through Deletion at the end.

2

Name one DSA screen/job that needs Deletion at the end.

3

What trap does Asha hit with Deletion at the end?

4

Dry-run one Deletion at the end step Asha can write from memory and say the result.

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