Samsung vs TCS Interview Questions
Samsung lists 65 LeetCode interview questions while TCS lists 228. They share 29 problems — 45% of Samsung's bank and 13% of TCS's. Focus on the overlap first, then drill into 36 Samsung-only and 199 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 29 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Samsung and TCS.
Step 2 — Company-specific depth: Add Samsung-specific problems like Vertical Order Traversal of a Binary Tree, Partition Array Into Two Arrays to Minimize Sum Difference, Minimum Cost of a Path With Special Roads and TCS-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
29 Shared Questions
High-priority problems to practice for both Samsung and TCS.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Burst Balloons | Hard |
| Number of Islands | Medium |
| Longest Increasing Subsequence | Medium |
| Trapping Rain Water | Hard |
| Two Sum | Easy |
| Rotting Oranges | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Subarray Product Less Than K | Medium |
| 3Sum | Medium |
| Rotate Array | Medium |
| Merge k Sorted Lists | Hard |
| Sort Colors | Medium |
| Generate Parentheses | Medium |
| Valid Parentheses | Easy |
| Maximum Subarray | Medium |
| Longest Common Prefix | Easy |
| Word Ladder | Hard |
| Permutations | Medium |
| Search in Rotated Sorted Array | Medium |
| Next Permutation | Medium |
| Merge Intervals | Medium |
| Intersection of Two Linked Lists | Easy |
| Merge Sorted Array | Easy |
| Move Zeroes | Easy |
| Jump Game II | Medium |
| Median of Two Sorted Arrays | Hard |
| Longest Palindromic Substring | Medium |
| Rotate Image | Medium |
Unique to Samsung (36)
Problems in Samsung's list that do not appear at TCS.
Unique to TCS (199)
Problems in TCS's list that do not appear at Samsung.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Palindrome Number | Easy |
| Majority Element | Easy |
| Valid Anagram | Easy |
| Find the Index of the First Occurrence in a String | Easy |
| Single Number | Easy |
| Second Highest Salary | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Subarray Sum Equals K | Medium |
| Container With Most Water | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Reverse Integer | Medium |
Frequently Asked Questions
How many LeetCode questions do Samsung and TCS share?
Samsung and TCS share 29 LeetCode interview questions. 36 problems appear only in Samsung's list and 199 appear only in TCS's list.
What topics overlap most between Samsung and TCS?
The most common shared topics between Samsung and TCS are Array (22 shared questions), Two Pointers (9 shared questions), Dynamic Programming (8 shared questions), String (5 shared questions), Hash Table (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Samsung or TCS?
Samsung has 12 Easy, 36 Medium, and 17 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. Samsung has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Samsung and TCS?
Start with the 29 shared problems since they cover what both companies ask most often. Then add 20 Samsung-specific and 20 TCS-specific questions to round out your prep.