Infosys vs Walmart Labs Interview Questions
Infosys lists 105 LeetCode interview questions while Walmart Labs lists 144. They share 44 problems — 42% of Infosys's bank and 31% of Walmart Labs's. Focus on the overlap first, then drill into 61 Infosys-only and 100 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 44 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Infosys and Walmart Labs.
Step 2 — Company-specific depth: Add Infosys-specific problems like Maximum Good Subtree Score, Find Building Where Alice and Bob Can Meet, Minimum Reverse Operations 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
44 Shared Questions
High-priority problems to practice for both Infosys and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Valid Parentheses | Easy |
| Next Permutation | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Maximum Subarray | Medium |
| Trapping Rain Water | Hard |
| Product of Array Except Self | Medium |
| Longest Common Prefix | Easy |
| Merge Intervals | Medium |
| Generate Parentheses | Medium |
| Spiral Matrix | Medium |
| Rotate Array | Medium |
| Coin Change | Medium |
| Reverse Integer | Medium |
| 3Sum | Medium |
| Group Anagrams | Medium |
| Set Matrix Zeroes | Medium |
| Move Zeroes | Easy |
| Kth Largest Element in an Array | Medium |
| Longest Palindromic Substring | Medium |
| House Robber | Medium |
| Reverse Nodes in k-Group | Hard |
| Number of Islands | Medium |
| Longest Consecutive Sequence | Medium |
| Find Minimum in Rotated Sorted Array | Medium |
| Linked List Cycle | Easy |
| Roman to Integer | Easy |
| Combination Sum II | Medium |
Showing top 30 of 44 shared problems.
Unique to Infosys (61)
Problems in Infosys's list that do not appear at Walmart Labs.
Unique to Walmart Labs (100)
Problems in Walmart Labs's list that do not appear at Infosys.
Frequently Asked Questions
How many LeetCode questions do Infosys and Walmart Labs share?
Infosys and Walmart Labs share 44 LeetCode interview questions. 61 problems appear only in Infosys's list and 100 appear only in Walmart Labs's list.
What topics overlap most between Infosys and Walmart Labs?
The most common shared topics between Infosys and Walmart Labs are Array (21 shared questions), Two Pointers (8 shared questions), Hash Table (7 shared questions), String (7 shared questions), Dynamic Programming (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Infosys or Walmart Labs?
Infosys has 32 Easy, 57 Medium, and 16 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 Infosys and Walmart Labs?
Start with the 44 shared problems since they cover what both companies ask most often. Then add 20 Infosys-specific and 20 Walmart Labs-specific questions to round out your prep.