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DSA · Theory

Difference between malloc and realloc

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Theory

654/810

Difference between malloc and realloc

Difference between malloc and realloc is a DSA topic. In plain words you use it for a short Difference between malloc and realloc example in a short dry-run on paper. Don’t start with a slogan — start with that picture.

Smallest example: the smallest Difference between malloc and realloc example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Difference between malloc and realloc.

From the example next to this theory — Difference between malloc and realloc: dry-run [4, 1, 3].

Trap — only saying “Difference between malloc and realloc” with no example. Fix that before you talk about advanced DSA.

Viva: what is Difference between malloc and realloc? Then show the smallest Difference between malloc and realloc example you can type. Then name the trap.

Exam tip

What is Difference between malloc and realloc? Show this: the smallest Difference between malloc and realloc example you can type. Trap: only saying “Difference between malloc and realloc” with no example.

Example

# Difference between malloc and realloc
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)

Difference between malloc and realloc: dry-run [4, 1, 3]. Say the list after one step.

Short notes

  • DefDifference between malloc and realloc — a short Difference between malloc and realloc example in a short dry-run on paper.
  • Rulethe smallest Difference between malloc and realloc example you can type
  • Traponly saying “Difference between malloc and realloc” with no example
  • Usea short dry-run on paper

Questions

1

What is Difference between malloc and realloc?

2

Give one small example of Difference between malloc and realloc.

3

What mistake do beginners make with Difference between malloc and realloc?

4

Where do you use Difference between malloc and realloc?

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