ServiceNow vs Walmart Labs Interview Questions
ServiceNow lists 71 LeetCode interview questions while Walmart Labs lists 144. They share 37 problems — 52% of ServiceNow's bank and 26% of Walmart Labs's. Focus on the overlap first, then drill into 34 ServiceNow-only and 107 Walmart Labs-only questions.
Read the full ServiceNow vs Walmart Labs preparation guide →
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 37 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ServiceNow and Walmart Labs.
Step 2 — Company-specific depth: Add ServiceNow-specific problems like Number of Distinct Roll Sequences, Lexicographically Smallest String After Operations With Constraint, Find Minimum Diameter After Merging Two Trees and Walmart Labs-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: ServiceNow skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
37 Shared Questions
High-priority problems to practice for both ServiceNow and Walmart Labs.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Trapping Rain Water | Hard |
| Number of Islands | Medium |
| Generate Parentheses | Medium |
| Valid Parentheses | Easy |
| Container With Most Water | Medium |
| First Missing Positive | Hard |
| Sliding Window Maximum | Hard |
| Best Time to Buy and Sell Stock II | Medium |
| Asteroid Collision | Medium |
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Group Anagrams | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Move Zeroes | Easy |
| Kth Largest Element in an Array | Medium |
| Set Matrix Zeroes | Medium |
| LFU Cache | Hard |
| Coin Change | Medium |
| Maximum Subarray | Medium |
| Rotting Oranges | Medium |
| Median of Two Sorted Arrays | Hard |
| Zigzag Conversion | Medium |
| Merge Intervals | Medium |
| Daily Temperatures | Medium |
| Maximum Product Subarray | Medium |
| Pow(x, n) | Medium |
| Binary Tree Right Side View | Medium |
| Number of Distinct Islands | Medium |
Showing top 30 of 37 shared problems.
Unique to ServiceNow (34)
Problems in ServiceNow's list that do not appear at Walmart Labs.
Unique to Walmart Labs (107)
Problems in Walmart Labs's list that do not appear at ServiceNow.
Frequently Asked Questions
How many LeetCode questions do ServiceNow and Walmart Labs share?
ServiceNow and Walmart Labs share 37 LeetCode interview questions. 34 problems appear only in ServiceNow's list and 107 appear only in Walmart Labs's list.
What topics overlap most between ServiceNow and Walmart Labs?
The most common shared topics between ServiceNow and Walmart Labs are Array (21 shared questions), Hash Table (8 shared questions), Dynamic Programming (8 shared questions), String (6 shared questions), Breadth-First Search (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ServiceNow or Walmart Labs?
ServiceNow has 7 Easy, 51 Medium, and 13 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. ServiceNow has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ServiceNow and Walmart Labs?
Start with the 37 shared problems since they cover what both companies ask most often. Then add 20 ServiceNow-specific and 20 Walmart Labs-specific questions to round out your prep.