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DSA · Theory

Searching

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Theory

106/810

Searching

Searching is a DSA idea you prove with find roll 12, not with a slogan.

Searching order — meaning → linear vs binary → one limit. Dumping ten features helps nobody.

Without Searching, a sorted list gets messy and find roll 12 is hard to trust.

Searching shows up in a sorted list. Name find roll 12, not “a real-world scenario”.

Searching miss — binary search on unsorted data. Fix it before you talk about advanced DSA.

Place Searching next to nearby DSA work — linear vs binary is the link.

Viva for Searching — what it is → linear vs binary → the mistake (binary search on unsorted data).

Exam tip

For Searching: definition + a sorted list + one failure.

Example

# Searching
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)

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

Short notes

  • DefSearching — Riya uses it for find roll 12 in a sorted list.
  • RuleSearching → linear vs binary.
  • RememberSearching + Big-O (a sorted list).
  • UseSearching in a sorted list (find roll 12).
  • TrapSearching — binary search on unsorted data.
  • ExSearching → find roll 12.

Questions

1

Define Searching without jargon. Then point at find roll 12.

2

If you skip Searching, what breaks in a sorted list?

3

Viva: one wrong answer people give for Searching.

4

Write the smallest Searching step on find roll 12. What happens?

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