Samsung vs X Interview Questions
Samsung lists 65 LeetCode interview questions while X lists 51. They share 6 problems — 9% of Samsung's bank and 12% of X's. Focus on the overlap first, then drill into 59 Samsung-only and 45 X-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 6 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Samsung and X.
Step 2 — Company-specific depth: Add Samsung-specific problems like Burst Balloons, Number of Islands, Longest Increasing Subsequence and X-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Samsung skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
6 Shared Questions
High-priority problems to practice for both Samsung and X.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Trapping Rain Water | Hard |
| Merge k Sorted Lists | Hard |
| Valid Parentheses | Easy |
| Trapping Rain Water II | Hard |
| Merge Intervals | Medium |
Unique to Samsung (59)
Problems in Samsung's list that do not appear at X.
Unique to X (45)
Problems in X's list that do not appear at Samsung.
| Problem | Difficulty |
|---|---|
| Tweet Counts Per Frequency | Medium |
| Flatten Nested List Iterator | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Design Twitter | Medium |
| Binary Gap | Easy |
| Regular Expression Matching | Hard |
| Integer to Roman | Medium |
| Word Break II | Hard |
| Alien Dictionary | Hard |
| Time Needed to Buy Tickets | Easy |
| Max Points on a Line | Hard |
Frequently Asked Questions
How many LeetCode questions do Samsung and X share?
Samsung and X share 6 LeetCode interview questions. 59 problems appear only in Samsung's list and 45 appear only in X's list.
What topics overlap most between Samsung and X?
The most common shared topics between Samsung and X are Array (3 shared questions), Linked List (2 shared questions), Stack (2 shared questions), Heap (Priority Queue) (2 shared questions), Hash Table (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Samsung or X?
Samsung has 12 Easy, 36 Medium, and 17 Hard questions. X has 8 Easy, 31 Medium, and 12 Hard questions. Samsung has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Samsung and X?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 20 Samsung-specific and 20 X-specific questions to round out your prep.