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LeetCode 680 — Valid Palindrome II | Full Solution Explained

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Difficulty Pattern Asked At LeetCode Link Easy Two Pointers Facebook, Amazon, Google, Microsoft leetcode.com/problems/valid-palindrome-ii 📌  This problem is a direct follow-up to LeetCode 125 — Valid Palindrome. If you haven’t read that post yet, start there — it covers the Two Pointers palindrome template that this problem builds on. Valid Palindrome II is one of … Read more

LeetCode 125 — Valid Palindrome | Full Solution Explained

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Difficulty Pattern Asked At LeetCode Link Easy Two Pointers (Opposite Ends) Facebook, Microsoft, Apple, Uber leetcode.com/problems/valid-palindrome 📌  This is part of the Two Pointers series on Daily Dev Notes. LeetCode 125 is the perfect first Two Pointers problem to solve — it’s easy, clean, and teaches you the exact same pattern used in harder problems … Read more