Ultimate DSA Interview Prep: 1/12 Arrays & Strings

A curated list of LeetCode problems covering key concepts and techniques to help you prepare for your next DSA interview.

1. Arrays & Strings
2. Hashmaps & Sets
3. 2 Pointers
4. Stacks
5. Linked List
6. Binary Search
7. Sliding Window
8. Trees
9. Heaps
10. Recursive Backtracking
11. Graphs
12. Dynamic Programming

Arrays & Strings

Easy:

1. https://leetcode.com/problems/find-closest-number-to-zero/description/
2. https://leetcode.com/problems/merge-strings-alternately/description/
3. https://leetcode.com/problems/roman-to-integer/description/
4. https://leetcode.com/problems/is-subsequence/description/
5. https://leetcode.com/problems/best-time-to-buy-and-sell-stock/description/
6. https://leetcode.com/problems/longest-common-prefix/description/
7. https://leetcode.com/problems/summary-ranges/description/