Grammarly vs TCS Interview Questions
Grammarly lists 30 LeetCode interview questions while TCS lists 228. They share 10 problems — 33% of Grammarly's bank and 4% of TCS's. Focus on the overlap first, then drill into 20 Grammarly-only and 218 TCS-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 10 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Grammarly and TCS.
Step 2 — Company-specific depth: Add Grammarly-specific problems like Remove All Adjacent Duplicates In String, Vowel Spellchecker, Insert Delete GetRandom O(1) and TCS-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Grammarly skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
10 Shared Questions
High-priority problems to practice for both Grammarly and TCS.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Search in Rotated Sorted Array | Medium |
| Climbing Stairs | Easy |
| Sqrt(x) | Easy |
| Generate Parentheses | Medium |
| Non-overlapping Intervals | Medium |
| Search Insert Position | Easy |
| Number of Islands | Medium |
| Trapping Rain Water | Hard |
| Unique Paths | Medium |
Unique to Grammarly (20)
Problems in Grammarly's list that do not appear at TCS.
Unique to TCS (218)
Problems in TCS's list that do not appear at Grammarly.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Palindrome Number | Easy |
| Maximum Subarray | Medium |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Longest Common Prefix | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Sort Colors | Medium |
| Valid Anagram | Easy |
| Find the Index of the First Occurrence in a String | Easy |
Frequently Asked Questions
How many LeetCode questions do Grammarly and TCS share?
Grammarly and TCS share 10 LeetCode interview questions. 20 problems appear only in Grammarly's list and 218 appear only in TCS's list.
What topics overlap most between Grammarly and TCS?
The most common shared topics between Grammarly and TCS are Array (6 shared questions), Dynamic Programming (5 shared questions), Binary Search (3 shared questions), Math (3 shared questions), Sorting (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Grammarly or TCS?
Grammarly has 7 Easy, 19 Medium, and 4 Hard questions. TCS has 99 Easy, 108 Medium, and 21 Hard questions. Grammarly has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Grammarly and TCS?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 Grammarly-specific and 20 TCS-specific questions to round out your prep.