Grammarly vs IBM Interview Questions
Grammarly lists 30 LeetCode interview questions while IBM lists 115. They share 5 problems — 17% of Grammarly's bank and 4% of IBM's. Focus on the overlap first, then drill into 25 Grammarly-only and 110 IBM-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Grammarly and IBM.
Step 2 — Company-specific depth: Add Grammarly-specific problems like Remove All Adjacent Duplicates In String, Search in Rotated Sorted Array, Vowel Spellchecker and IBM-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
5 Shared Questions
High-priority problems to practice for both Grammarly and IBM.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Climbing Stairs | Easy |
| Generate Parentheses | Medium |
| Trapping Rain Water | Hard |
| Word Break | Medium |
Unique to Grammarly (25)
Problems in Grammarly's list that do not appear at IBM.
| Problem | Difficulty |
|---|---|
| Remove All Adjacent Duplicates In String | Easy |
| Search in Rotated Sorted Array | Medium |
| Vowel Spellchecker | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
| Repeated DNA Sequences | Medium |
| Sqrt(x) | Easy |
| Perfect Number | Easy |
| Logger Rate Limiter | Easy |
| Sum of Left Leaves | Easy |
| Non-overlapping Intervals | Medium |
| Search Insert Position | Easy |
Unique to IBM (110)
Problems in IBM's list that do not appear at Grammarly.
| Problem | Difficulty |
|---|---|
| Find the Smallest Divisor Given a Threshold | Medium |
| Gray Code | Medium |
| 3Sum | Medium |
| Exclusive Time of Functions | Medium |
| Integer to Roman | Medium |
| Minimum Operations to Make Columns Strictly Increasing | Easy |
| Fizz Buzz | Easy |
| Roman to Integer | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Count Ways to Group Overlapping Ranges | Medium |
| Two Sum | Easy |
| Meeting Rooms II | Medium |
Frequently Asked Questions
How many LeetCode questions do Grammarly and IBM share?
Grammarly and IBM share 5 LeetCode interview questions. 25 problems appear only in Grammarly's list and 110 appear only in IBM's list.
What topics overlap most between Grammarly and IBM?
The most common shared topics between Grammarly and IBM are Dynamic Programming (4 shared questions), Array (3 shared questions), Memoization (2 shared questions), String (2 shared questions), Sorting (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Grammarly or IBM?
Grammarly has 7 Easy, 19 Medium, and 4 Hard questions. IBM has 33 Easy, 73 Medium, and 9 Hard questions. Grammarly has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Grammarly and IBM?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Grammarly-specific and 20 IBM-specific questions to round out your prep.