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DSA · Theory

Find number of Employees Under every Manager

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Theory

218/810

Find number of Employees Under every Manager

Find number of Employees Under every Manager sits in a small live site. Vikram’s job is Vikram walking through Find number of Employees Under every Manager. Write that first.

Find number of Employees Under every Manager order: meaning → one Find number of Employees Under every Manager step Vikram can write from memory → one limit. Dumping ten features helps nobody.

Skip Find number of Employees Under every Manager and skipping the failure case for Find number of Employees Under every Manager shows up in a small live site.

Use Find number of Employees Under every Manager when Vikram walking through Find number of Employees Under every Manager must stay clear. If a simpler DSA step works, use that instead.

Find number of Employees Under every Manager miss: skipping the failure case for Find number of Employees Under every Manager. Fix it before you talk about advanced DSA.

Place Find number of Employees Under every Manager next to nearby DSA work — one Find number of Employees Under every Manager step Vikram can write from memory is the link.

Viva for Find number of Employees Under every Manager: what it is → one Find number of Employees Under every Manager step Vikram can write from memory → the mistake (skipping the failure case for Find number of Employees Under every Manager).

Exam tip

Board: Vikram walking through Find number of Employees Under every Manager. Dry-run Find number of Employees Under every Manager. Name the trap: skipping the failure case for Find number of Employees Under every Manager.

Example

# Find number of Employees Under every Manager
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)

Find number of Employees Under every Manager: dry-run [4, 1, 3]. Say the list after one step.

Short notes

  • DefFind number of Employees Under every Manager — Vikram uses it for Vikram walking through Find number of Employees Under every Manager in a small live site.
  • RuleFind number of Employees Under every Manager → one Find number of Employees Under every Manager step Vikram can write from memory.
  • RememberFind number of Employees Under every Manager + time vs memory (a small live site).
  • UseFind number of Employees Under every Manager in a small live site (Vikram walking through Find number of Employees Under every Manager).
  • TrapFind number of Employees Under every Manager — skipping the failure case for Find number of Employees Under every Manager.
  • ExFind number of Employees Under every Manager → Vikram walking through Find number of Employees Under every Manager.

Questions

1

In one breath: what does Find number of Employees Under every Manager do for Vikram?

2

Name one DSA screen/job that needs Find number of Employees Under every Manager.

3

Viva: one wrong answer people give for Find number of Employees Under every Manager.

4

Write the smallest Find number of Employees Under every Manager step on Vikram walking through Find number of Employees Under every Manager. What happens?

Previous← Given an array A[] and a number x, check for pair in A[] with sum as x (aka Two Sum)NextUnion and Intersection of two Linked Lists →
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