Arrays & Hashing pattern
Valid Anagram
Given two strings s and t, return true if t is an anagram of s (a rearrangement using all the original letters exactly once). Watch it run step by step, then write your own pseudocode and get it checked by AI.
- LeetCode 242
- Easy
- 2 approaches
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Arrays & HashingLeetCode 242
Easy
From the first idea to the best one
- 01 Brute force · sort O(n log n)O(n) space
- 02 Optimized · count map O(n)O(1) space
What you will learn
- How to read Valid Anagram and spot the arrays & hashing pattern in it
- Brute force · sort: O(n log n) time, O(n) space
- Optimized · count map: O(n) time, O(1) space
- The pseudocode for each approach, its line lit as the animation runs
- Practice: write your own pseudocode and get it checked
More Arrays & Hashing
See Valid Anagram run, step by step
Sign in and this page opens on the animation, with all 13 Arrays & Hashing problems beside it.
DSA comes with the all labs plan and every ChaiCode batch.