Grammarly vs Qualcomm Interview Questions
Grammarly lists 30 LeetCode interview questions while Qualcomm lists 62. They share 6 problems — 20% of Grammarly's bank and 10% of Qualcomm's. Focus on the overlap first, then drill into 24 Grammarly-only and 56 Qualcomm-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 Grammarly and Qualcomm.
Step 2 — Company-specific depth: Add Grammarly-specific problems like Remove All Adjacent Duplicates In String, Search in Rotated Sorted Array, Vowel Spellchecker and Qualcomm-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Qualcomm 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 Grammarly and Qualcomm.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Climbing Stairs | Easy |
| Generate Parentheses | Medium |
| Number of Islands | Medium |
| Trapping Rain Water | Hard |
| Unique Paths | Medium |
Unique to Grammarly (24)
Problems in Grammarly's list that do not appear at Qualcomm.
| 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 Qualcomm (56)
Problems in Qualcomm's list that do not appear at Grammarly.
| Problem | Difficulty |
|---|---|
| String Compression III | Medium |
| Maximum Number of Ones | Hard |
| Reverse Nodes in k-Group | Hard |
| LRU Cache | Medium |
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Reverse Linked List | Easy |
| Valid Parentheses | Easy |
| Palindrome Number | Easy |
| Remove Nth Node From End of List | Medium |
| Reverse Bits | Easy |
| 3Sum | Medium |
Frequently Asked Questions
How many LeetCode questions do Grammarly and Qualcomm share?
Grammarly and Qualcomm share 6 LeetCode interview questions. 24 problems appear only in Grammarly's list and 56 appear only in Qualcomm's list.
What topics overlap most between Grammarly and Qualcomm?
The most common shared topics between Grammarly and Qualcomm are Dynamic Programming (4 shared questions), Array (3 shared questions), Math (2 shared questions), Sorting (1 shared questions), Memoization (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Grammarly or Qualcomm?
Grammarly has 7 Easy, 19 Medium, and 4 Hard questions. Qualcomm has 28 Easy, 25 Medium, and 9 Hard questions. Qualcomm has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Grammarly and Qualcomm?
Start with the 6 shared problems since they cover what both companies ask most often. Then add 20 Grammarly-specific and 20 Qualcomm-specific questions to round out your prep.