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Valid Palindrome & Anagram | String Interview Questions | DSA for Beginners (Java) NeetCode Leetcode

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Mar 6, 2026
12:32

Master the fundamentals of String manipulation with this deep dive into two of the most popular LeetCode questions: Valid Anagram (242) and Valid Palindrome (125). In this video, we break down: Valid Anagram: Efficiently checking character counts using HashMaps and Frequency Arrays. Valid Palindrome: Using the Two-Pointer technique to optimize space complexity. Complexity Analysis: Why $O(n)$ time and $O(1)$ or $O(k)$ space are the gold standards for these problems. 🔗 Code & Resources: GitHub Repository: github.com/Shatakshi-gupta-ggits/daily_DataStructure-Algo/tree/main/daily_DataStructure-Algo-main Practice on LeetCode: leetcode.com/problems/valid-palindrome/

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Valid Palindrome & Anagram | String Interview Questions | DSA for Beginners (Java) NeetCode Leetcode | NatokHD