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DSA · Theory

What is an algorithm

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Theory

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What is an algorithm

an algorithm (what is) sits in a campus project. Rohit’s job is a an algorithm what is dry-run. Write that first.

Do an algorithm (what is) once by hand. one an algorithm what is step Rohit can write from memory. Change one input. Say the new result out loud.

Skip an algorithm (what is) and skipping the failure case for an algorithm what is shows up in a campus project.

Rohit ships an algorithm (what is) in a campus project. That is the use case worth saying.

an algorithm (what is) trap — skipping the failure case for an algorithm what is. Rohit loses marks for that every viva.

After an algorithm (what is), Rohit should still remember skipping the failure case for an algorithm what is.

One breath for an algorithm (what is), then a an algorithm what is dry-run, then skipping the failure case for an algorithm what is. Sit down.

Exam tip

Say an algorithm (what is) in one breath, then one an algorithm what is step Rohit can write from memory, then skipping the failure case for an algorithm what is.

Example

# What is an algorithm
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)

What is an algorithm: dry-run [4, 1, 3]. Say the list after one step.

Short notes

  • Defan algorithm (what is) — Rohit uses it for a an algorithm what is dry-run in a campus project.
  • Rulean algorithm (what is) → one an algorithm what is step Rohit can write from memory.
  • Rememberan algorithm (what is) + time vs memory (a campus project).
  • Usean algorithm (what is) in a campus project (a an algorithm what is dry-run).
  • Trapan algorithm (what is) — skipping the failure case for an algorithm what is.
  • Exan algorithm (what is) → a an algorithm what is dry-run.

Questions

1

In one breath: what does an algorithm (what is) do for Rohit?

2

When would Rohit actually reach for an algorithm (what is)?

3

Viva: one wrong answer people give for an algorithm (what is).

4

Change one input on a an algorithm what is dry-run. Predict the new result.

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