ServiceNow vs Visa Interview Questions
ServiceNow lists 71 LeetCode interview questions while Visa lists 146. They share 35 problems — 49% of ServiceNow's bank and 24% of Visa's. Focus on the overlap first, then drill into 36 ServiceNow-only and 111 Visa-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 35 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ServiceNow and Visa.
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 Visa-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
35 Shared Questions
High-priority problems to practice for both ServiceNow and Visa.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Trapping Rain Water | Hard |
| Number of Islands | Medium |
| Valid Parentheses | Easy |
| Container With Most Water | Medium |
| Sliding Window Maximum | Hard |
| Best Time to Buy and Sell Stock II | Medium |
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Group Anagrams | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Kth Largest Element in an Array | Medium |
| LFU Cache | Hard |
| Minimum Number of Swaps to Make the String Balanced | Medium |
| Merge Two Sorted Lists | Easy |
| Maximum Subarray | Medium |
| Rotting Oranges | Medium |
| Median of Two Sorted Arrays | Hard |
| Merge Intervals | Medium |
| Daily Temperatures | Medium |
| Reverse Linked List | Easy |
| Binary Tree Right Side View | Medium |
| Gas Station | Medium |
| Top K Frequent Elements | Medium |
| House Robber II | Medium |
| Find Peak Element | Medium |
| Reverse Words in a String | Medium |
| Subarray Sum Equals K | Medium |
| Letter Combinations of a Phone Number | Medium |
Showing top 30 of 35 shared problems.
Unique to ServiceNow (36)
Problems in ServiceNow's list that do not appear at Visa.
Unique to Visa (111)
Problems in Visa's list that do not appear at ServiceNow.
Frequently Asked Questions
How many LeetCode questions do ServiceNow and Visa share?
ServiceNow and Visa share 35 LeetCode interview questions. 36 problems appear only in ServiceNow's list and 111 appear only in Visa's list.
What topics overlap most between ServiceNow and Visa?
The most common shared topics between ServiceNow and Visa are Array (19 shared questions), Hash Table (8 shared questions), String (7 shared questions), Dynamic Programming (6 shared questions), Two Pointers (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ServiceNow or Visa?
ServiceNow has 7 Easy, 51 Medium, and 13 Hard questions. Visa has 32 Easy, 92 Medium, and 22 Hard questions. ServiceNow has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ServiceNow and Visa?
Start with the 35 shared problems since they cover what both companies ask most often. Then add 20 ServiceNow-specific and 20 Visa-specific questions to round out your prep.