Microsoft vs TCS Interview Questions
Microsoft lists 192 LeetCode interview questions while TCS lists 228. They share 110 problems — 57% of Microsoft's bank and 48% of TCS's. Focus on the overlap first, then drill into 82 Microsoft-only and 118 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 110 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Microsoft and TCS.
Step 2 — Company-specific depth: Add Microsoft-specific problems like Reverse Nodes in k-Group, Word Search, Minimum Edge Reversals So Every Node Is Reachable and TCS-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Microsoft skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
110 Shared Questions
High-priority problems to practice for both Microsoft and TCS.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Merge Sorted Array | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Add Two Numbers | Medium |
| Longest Palindromic Substring | Medium |
| Trapping Rain Water | Hard |
| Single Element in a Sorted Array | Medium |
| Merge Intervals | Medium |
| Median of Two Sorted Arrays | Hard |
| Valid Parentheses | Easy |
| 3Sum | Medium |
| Maximum Subarray | Medium |
| Group Anagrams | Medium |
| Search in Rotated Sorted Array | Medium |
| Merge Two Sorted Lists | Easy |
| Roman to Integer | Easy |
| Spiral Matrix | Medium |
| Climbing Stairs | Easy |
| Container With Most Water | Medium |
| Rotate Image | Medium |
| Palindrome Number | Easy |
| Merge k Sorted Lists | Hard |
| Sort Colors | Medium |
| Longest Common Prefix | Easy |
| Remove Duplicates from Sorted Array | Easy |
| Create Hello World Function | Easy |
| Set Matrix Zeroes | Medium |
| Reverse Integer | Medium |
| Letter Combinations of a Phone Number | Medium |
| Number of Islands | Medium |
Showing top 30 of 110 shared problems.
Unique to Microsoft (82)
Problems in Microsoft's list that do not appear at TCS.
| Problem | Difficulty |
|---|---|
| Reverse Nodes in k-Group | Hard |
| Word Search | Medium |
| Minimum Edge Reversals So Every Node Is Reachable | Hard |
| Find Peak Element | Medium |
| K-th Smallest in Lexicographical Order | Hard |
| Minimum Path Sum | Medium |
| Binary Tree Zigzag Level Order Traversal | Medium |
| Validate Binary Search Tree | Medium |
| Combination Sum | Medium |
| Merge Strings Alternately | Easy |
| Binary Tree Level Order Traversal | Medium |
| Gas Station | Medium |
Unique to TCS (118)
Problems in TCS's list that do not appear at Microsoft.
Frequently Asked Questions
How many LeetCode questions do Microsoft and TCS share?
Microsoft and TCS share 110 LeetCode interview questions. 82 problems appear only in Microsoft's list and 118 appear only in TCS's list.
What topics overlap most between Microsoft and TCS?
The most common shared topics between Microsoft and TCS are Array (17 shared questions), Two Pointers (7 shared questions), String (7 shared questions), Hash Table (6 shared questions), Math (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Microsoft or TCS?
Microsoft has 55 Easy, 109 Medium, and 28 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. Microsoft has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Microsoft and TCS?
Start with the 110 shared problems since they cover what both companies ask most often. Then add 20 Microsoft-specific and 20 TCS-specific questions to round out your prep.