COUNT OF ZEROES — DSA Technical Interview Questions & Answers

COUNT OF ZEROES

COUNT OF ZEROES

  • COUNT OF ZEROES is a DSA topic. In plain words you use it for a short COUNT OF ZEROES example in a short dry-run on paper. Don’t start with a slogan — start with that picture.
  • Smallest example: the smallest COUNT OF ZEROES example you can type. Type it, run it, and say what you see. If you can do that from memory, you know COUNT OF ZEROES.
  • From the example next to this theory: COUNT OF ZEROES: dry-run [4, 1, 3].
  • Trap: only saying “COUNT OF ZEROES” with no example. Fix that before you talk about advanced DSA.
  • Viva: what is COUNT OF ZEROES? Then show the smallest COUNT OF ZEROES example you can type. Then name the trap.

Technical Interview Tip: What is COUNT OF ZEROES? Show this: the smallest COUNT OF ZEROES example you can type. Trap: only saying “COUNT OF ZEROES” with no example.

Code Examples for COUNT OF ZEROES

COUNT OF ZEROES — working example

# COUNT OF ZEROES
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)

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

How to Explain COUNT OF ZEROES to an Interviewer

What is COUNT OF ZEROES?

Used for a short COUNT OF ZEROES example a short dry-run on paper Not just the heading

Give one small example of COUNT OF ZEROES.

the smallest COUNT OF ZEROES example you can type COUNT OF ZEROES: dry-run [4, 1, 3]

What mistake do beginners make with COUNT OF ZEROES?

only saying “COUNT OF ZEROES” with no example Show the fix

Where do you use COUNT OF ZEROES?

a short dry-run on paper a short COUNT OF ZEROES example