Qualcomm vs Walmart Labs Interview Questions
Qualcomm lists 62 LeetCode interview questions while Walmart Labs lists 144. They share 27 problems — 44% of Qualcomm's bank and 19% of Walmart Labs's. Focus on the overlap first, then drill into 35 Qualcomm-only and 117 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 27 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Qualcomm and Walmart Labs.
Step 2 — Company-specific depth: Add Qualcomm-specific problems like String Compression III, Maximum Number of Ones, Reverse Linked List and Walmart Labs-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Walmart Labs skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
27 Shared Questions
High-priority problems to practice for both Qualcomm and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Reverse Nodes in k-Group | Hard |
| Number of Islands | Medium |
| LRU Cache | Medium |
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Valid Parentheses | Easy |
| Remove Nth Node From End of List | Medium |
| 3Sum | Medium |
| Linked List Cycle | Easy |
| Middle of the Linked List | Easy |
| Pow(x, n) | Medium |
| Move Zeroes | Easy |
| Trapping Rain Water | Hard |
| Remove Duplicates from Sorted Array | Easy |
| Merge Intervals | Medium |
| Trapping Rain Water II | Hard |
| Kth Largest Element in an Array | Medium |
| Reverse Integer | Medium |
| Course Schedule II | Medium |
| Median of Two Sorted Arrays | Hard |
| Subarray Sum Equals K | Medium |
| Edit Distance | Medium |
| Maximum Product Subarray | Medium |
| Generate Parentheses | Medium |
| Merge k Sorted Lists | Hard |
| Container With Most Water | Medium |
| Longest Common Prefix | Easy |
Unique to Qualcomm (35)
Problems in Qualcomm's list that do not appear at Walmart Labs.
| Problem | Difficulty |
|---|---|
| String Compression III | Medium |
| Maximum Number of Ones | Hard |
| Reverse Linked List | Easy |
| Palindrome Number | Easy |
| Reverse Bits | Easy |
| Rotate Image | Medium |
| Power of Two | Easy |
| Rectangle Overlap | Easy |
| Reverse String | Easy |
| Design Circular Queue | Medium |
| Count Array Pairs Divisible by K | Hard |
| Climbing Stairs | Easy |
Unique to Walmart Labs (117)
Problems in Walmart Labs's list that do not appear at Qualcomm.
Frequently Asked Questions
How many LeetCode questions do Qualcomm and Walmart Labs share?
Qualcomm and Walmart Labs share 27 LeetCode interview questions. 35 problems appear only in Qualcomm's list and 117 appear only in Walmart Labs's list.
What topics overlap most between Qualcomm and Walmart Labs?
The most common shared topics between Qualcomm and Walmart Labs are Array (14 shared questions), Two Pointers (8 shared questions), Linked List (6 shared questions), Hash Table (5 shared questions), String (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Qualcomm or Walmart Labs?
Qualcomm has 28 Easy, 25 Medium, and 9 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. Walmart Labs has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Qualcomm and Walmart Labs?
Start with the 27 shared problems since they cover what both companies ask most often. Then add 20 Qualcomm-specific and 20 Walmart Labs-specific questions to round out your prep.