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DSA · Theory

Dynamic Data Structure

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Theory

168/810

Dynamic Data Structure

Dynamic Data Structure is a DSA topic. In plain words you use it for a short Dynamic Data Structure example in a short dry-run on paper. Don’t start with a slogan — start with that picture.

Smallest example: the smallest Dynamic Data Structure example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Dynamic Data Structure.

From the example next to this theory — Dynamic Data Structure: dry-run [4, 1, 3].

Trap — only saying “Dynamic Data Structure” with no example. Fix that before you talk about advanced DSA.

Viva: what is Dynamic Data Structure? Then show the smallest Dynamic Data Structure example you can type. Then name the trap.

Exam tip

What is Dynamic Data Structure? Show this: the smallest Dynamic Data Structure example you can type. Trap: only saying “Dynamic Data Structure” with no example.

Example

# Dynamic Data Structure
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)

Dynamic Data Structure: dry-run [4, 1, 3]. Say the list after one step.

Short notes

  • DefDynamic Data Structure — a short Dynamic Data Structure example in a short dry-run on paper.
  • Rulethe smallest Dynamic Data Structure example you can type
  • Traponly saying “Dynamic Data Structure” with no example
  • Usea short dry-run on paper

Questions

1

What is Dynamic Data Structure?

2

Give one small example of Dynamic Data Structure.

3

What mistake do beginners make with Dynamic Data Structure?

4

Where do you use Dynamic Data Structure?

168 / 810

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