XLeetCode Questions
VerifiedCommunity-reported coding interview questions for X, organized by frequency across 30-day, 3-month, and 6-month recency windows.
# | Problem | Difficulty | Frequency↓ | Acceptance | |
|---|---|---|---|---|---|
| #433 | Minimum Genetic Mutation2 sources | Medium | 100% | 0.6% | |
| #42 | Trapping Rain Water2 sources | Hard | 97% | 0.7% | |
| #56 | Merge Intervals2 sources | Medium | 97% | 0.5% | |
| #146 | LRU Cache2 sources | Medium | 97% | 0.5% | |
| #341 | Flatten Nested List Iterator2 sources | Medium | 97% | 0.7% | |
| #355 | Design Twitter2 sources | Medium | 97% | 0.5% | |
| #1348 | Tweet Counts Per Frequency2 sources | Medium | 97% | 0.5% | |
| #1683 | Easy | 97% | 0.9% | ||
| #10 | Regular Expression Matching2 sources | Hard | 94% | 0.3% | |
| #12 | Integer to Roman2 sources | Medium | 94% | 0.7% | |
| #20 | Valid Parentheses2 sources | Easy | 94% | 0.5% | |
| #23 | Merge k Sorted Lists2 sources | Hard | 94% | 0.6% | |
| #43 | Multiply Strings2 sources | Medium | 94% | 0.4% | |
| #44 | Wildcard Matching2 sources | Hard | 94% | 0.3% | |
| #60 | Permutation Sequence2 sources | Hard | 94% | 0.5% | |
| #118 | Pascal's Triangle2 sources | Easy | 94% | 0.8% | |
| #140 | Word Break II2 sources | Hard | 94% | 0.6% | |
| #2073 | Time Needed to Buy Tickets2 sources | Easy | 94% | 0.7% | |
| #149 | Max Points on a Line2 sources | Hard | 94% | 0.3% | |
| #161 | One Edit Distance2 sources | Medium | 94% | 0.3% | |
| #202 | Happy Number2 sources | Easy | 94% | 0.6% | |
| #206 | Reverse Linked List2 sources | Easy | 94% | 0.8% | |
| #208 | Implement Trie (Prefix Tree)2 sources | Medium | 94% | 0.7% | |
| #218 | The Skyline Problem2 sources | Hard | 94% | 0.5% | |
| #235 | Medium | 94% | 0.7% | ||
| #251 | Flatten 2D Vector2 sources | Medium | 94% | 0.5% | |
| #269 | Alien Dictionary2 sources | Hard | 94% | 0.4% | |
| #296 | Best Meeting Point2 sources | Hard | 94% | 0.6% | |
| #1206 | Design Skiplist2 sources | Hard | 94% | 0.6% | |
| #323 | Medium | 94% | 0.7% | ||
| #378 | Medium | 94% | 0.7% | ||
| #380 | Insert Delete GetRandom O(1)2 sources | Medium | 94% | 0.6% | |
| #407 | Trapping Rain Water II2 sources | Hard | 94% | 0.6% | |
| #1347 | Medium | 94% | 0.8% | ||
| #468 | Validate IP Address2 sources | Medium | 94% | 0.3% | |
| #580 | Medium | 94% | 0.6% | ||
| #1459 | Medium | 94% | 0.7% | ||
| #585 | Medium | 94% | 0.5% | ||
| #586 | Easy | 94% | 0.6% | ||
| #608 | Medium | 94% | 0.8% | ||
| #2768 | Number of Black Blocks2 sources | Medium | 94% | 0.4% | |
| #831 | Masking Personal Information2 sources | Medium | 94% | 0.6% | |
| #1797 | Design Authentication Manager2 sources | Medium | 94% | 0.6% | |
| #1785 | Medium | 94% | 0.5% | ||
| #868 | Binary Gap2 sources | Easy | 94% | 0.7% | |
| #1817 | Finding the Users Active Minutes2 sources | Medium | 94% | 0.8% | |
| #1882 | Process Tasks Using Servers2 sources | Medium | 94% | 0.4% | |
| #1910 | Medium | 94% | 0.8% | ||
| #1905 | Count Sub Islands2 sources | Medium | 94% | 0.7% | |
| #764 | Largest Plus Sign2 sources | Medium | 66% | 0.5% |
X Technical Interview Overview & Company-Wise Questions
This page organizes 51 community-reported X LeetCode problems by difficulty, frequency, and recency so you can build a focused preparation queue. Reports are aggregated from public datasets and should be treated as preparation signals rather than predictions.
How to prioritize X preparation
Start with the 0 questions reported in the last 30 days, then work through the highest-frequency topics (Array, String, Hash Table, Design). This page tracks 51 community-reported questions across 8 Easy, 31 Medium, and 12 Hard problems. Data refreshed Oct 28, 2026.
Frequently Asked Questions
What are the most frequent LeetCode questions for X?
The leading problems in the available X interview reports include Minimum Genetic Mutation, Trapping Rain Water, Merge Intervals. This page tracks 51 reported problems across Easy (8), Medium (31), and Hard (12) difficulty levels.
Where can I practice company-wise LeetCode questions for X?
You can review all 51 X questions on this page, filter them by 30-day, 3-month, 6-month, and all-time windows, and save practice progress for free.
How does LeetMap Pro organize X interview problem recency?
LeetMap Pro groups community-reported occurrences into 30-day, 3-month, 6-month, and older windows. These are preparation signals from the available sources, not guarantees that a problem will appear in a future interview.
What is the difficulty distribution for X coding questions?
Medium is the largest tracked difficulty group for X, with 31 problems. The full distribution is 8 Easy, 31 Medium, and 12 Hard.