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DSA · Theory

Longest subarray with only one value greater than k

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Theory

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Longest subarray with only one value greater than k

Longest subarray with only one value greater than k is a DSA topic. In plain words you use it for a short Longest subarray with only one value greater than k example in a short dry-run on paper. Don’t start with a slogan — start with that picture.

Smallest example: the smallest Longest subarray with only one value greater than k example you can type. Type it, run it, and say what you see. If you can do that from memory, you know Longest subarray with only one value greater than k.

From the example next to this theory — Longest subarray with only one value greater than k: dry-run [4, 1, 3].

Trap: only saying “Longest subarray with only one value greater than k” with no example. Fix that before you talk about advanced DSA.

Viva: what is Longest subarray with only one value greater than k? Then show the smallest Longest subarray with only one value greater than k example you can type. Then name the trap.

Exam tip

What is Longest subarray with only one value greater than k? Show this: the smallest Longest subarray with only one value greater than k example you can type. Trap: only saying “Longest subarray with only one value greater than k” with no example.

Example

# Longest subarray with only one value greater than k
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)

Longest subarray with only one value greater than k: dry-run [4, 1, 3]. Say the list after one step.

Short notes

  • DefLongest subarray with only one value greater than k — a short Longest subarray with only one value greater than k example in a short dry-run on paper.
  • Rulethe smallest Longest subarray with only one value greater than k example you can type
  • Traponly saying “Longest subarray with only one value greater than k” with no example
  • Usea short dry-run on paper

Questions

1

What is Longest subarray with only one value greater than k?

2

Give one small example of Longest subarray with only one value greater than k.

3

What mistake do beginners make with Longest subarray with only one value greater than k?

4

Where do you use Longest subarray with only one value greater than k?

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