
Understanding the type of Twitter Leetcode Questions, they frequently asked. This article will guide you through what to expect and how to prepare.
Table of Contents
1. Overview of Twitter Company
Twitter, officially known as X since 2023, is a social networking service. It is one of the world’s largest social media platforms and most-visited websites. In 2020, it was estimated that approximately 48 million accounts (15% of all accounts) were run by internet bots rather than humans.
2. Why Do Twitter LeetCode Questions Matter in 2025?
Like other top tech companies, Twitter uses LeetCode-style questions to assess problem-solving skills during interviews. These questions test your grasp of data structures, algorithms, and coding patterns—critical for software engineering and data science roles. With competition intensifying, mastering these questions is key to securing a role at Twitter.
3. How to Approach Twitter LeetCode Questions Effectively
- Focus on Patterns, Not Problems – Identify recurring patterns like sliding windows, two-pointers, or DFS/BFS.
- Simulate Interview Conditions – Practice under timed sessions (30–45 minutes per problem) and use mock interview tools. Aim to solve medium-difficulty problems first, as they dominate interviews.
- Leverage Twitter-Specific Resources – Access company-specific problem sets
4. Final Tips for Twitter LeetCode Success
- Revise regularly: Re-solve problems you struggled with.
- Join coding communities: Learn from solutions in LeetCode’s discussion forums.
- Track progress: Use spreadsheets to monitor your growth.
List of all Leetcode Problem
1. Easy Problems
2. Medium Problems
3. Hard Problems

Twitter Leetcode Questions
S.No. | Name | Level of Question | Solution |
1 | Flatten Nested List Iterator | Medium | Link |
2 | Implement Trie Prefix Tree | Medium | Link |
3 | Lru Cache | Medium | Link |
4 | Insert Delete Getrandom O 1 | Medium | Link |
5 | Design Twitter | Medium | Link |
6 | Lowest Common Ancestor Of A Binary Search Tree | Medium | Link |
7 | Investments In 2016 | Medium | Link |
8 | Validate Ip Address | Medium | Link |
9 | Minimum Genetic Mutation | Medium | Link |
10 | Integer To Roman | Medium | Link |
11 | Merge Intervals | Medium | Link |
12 | The Skyline Problem | Hard | Link |
13 | Word Break ii | Hard | Link |
14 | Max Points On A Line | Hard | Link |
15 | Trapping Rain Water ii | Hard | Link |
16 | Permutation Sequence | Hard | Link |
17 | Wildcard Matching | Hard | Link |
18 | Multiply Strings | Hard | Link |
19 | Trapping Rain Water | Hard | Link |
20 | Reverse Linked List | Easy | Link |
21 | Regular Expression Matching | Hard | Link |
22 | Valid Parentheses | Easy | Link |
23 | Merge K Sorted Lists | Hard | Link |
24 | Happy Number | Easy | Link |
FAQs
1. How many LeetCode questions should I solve for Twitter interviews?
Aim for 150–300 well-curated problems, focusing on patterns like dynamic programming and graph traversal. Quality > quantity.
2. Which programming language is best for Twitter LeetCode prep?
Python is recommended for beginners due to its simplicity, but use any language you’re comfortable with (Java, C++, etc.).
3. Are hard-level questions common in Twitter interviews?
Most questions are medium difficulty, but hard problems may appear for senior roles. Prioritize mediums first.
4. How do I handle time pressure during coding interviews?
Practice with LeetCode contests and mock interviews. Break problems into smaller steps (e.g., brute force → optimization)
By combining strategic practice with targeted resources, you’ll ace Twitter’s coding challenges in 2025.
Happy coding! 🚀