How do you check if two strings are anagrams?
PICTURE THIS: HOW TO EXPLAIN IT
Simple meaning
If lengths differ they cannot be anagrams.
WHY — Strings instead of guessing?
Why interviewers care about Strings:
question about Strings.
trade-offs, and what you would actually do on a DSA project - not buzzwords.
Name the idea, why it exists, then one short example.
End with when you use it and one common pitfall.
STEPS — What happens step by step?
Before you speak the answer, walk the interviewer through these steps:
- 1If lengths differ they
cannot be anagrams.
- 2Count character frequencies of
the first string and decrement with the second
- 3all counts must land
at zero.
- 4With a fixed alphabet
this is O(n) time and O(1) space
- 5sorting both is O(n
log n) and is the simple backup.
- 6Close
When you pick this over the alternative.
EXAMPLE — See it in action
Here's a short line you can speak, broken into clear beats:
Note: Adapt this scaffold to your own project — keep it under 60–90 seconds.
Key takeaway
If lengths differ they cannot be anagrams. Count character frequencies of the first string and decrement with the second