ServiceNow vs Siemens Interview Questions
ServiceNow lists 71 LeetCode interview questions while Siemens lists 25. They share 12 problems — 17% of ServiceNow's bank and 48% of Siemens's. Focus on the overlap first, then drill into 59 ServiceNow-only and 13 Siemens-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 12 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ServiceNow and Siemens.
Step 2 — Company-specific depth: Add ServiceNow-specific problems like Longest Substring Without Repeating Characters, Number of Distinct Roll Sequences, Lexicographically Smallest String After Operations With Constraint and Siemens-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
12 Shared Questions
High-priority problems to practice for both ServiceNow and Siemens.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Valid Parentheses | Easy |
| First Missing Positive | Hard |
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Group Anagrams | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Merge Two Sorted Lists | Easy |
| Merge Intervals | Medium |
| Maximum Product Subarray | Medium |
| Top K Frequent Elements | Medium |
Unique to ServiceNow (59)
Problems in ServiceNow's list that do not appear at Siemens.
Unique to Siemens (13)
Problems in Siemens's list that do not appear at ServiceNow.
| Problem | Difficulty |
|---|---|
| Minimized Maximum of Products Distributed to Any Store | Medium |
| Peaks in Array | Hard |
| The Skyline Problem | Hard |
| Valid Anagram | Easy |
| Remove Duplicates from Sorted Array | Easy |
| Maximum Product of Three Numbers | Easy |
| Minimum Add to Make Parentheses Valid | Medium |
| Palindrome Number | Easy |
| Angle Between Hands of a Clock | Medium |
| Single Number III | Medium |
| Rotate Array | Medium |
| Clone Graph | Medium |
Frequently Asked Questions
How many LeetCode questions do ServiceNow and Siemens share?
ServiceNow and Siemens share 12 LeetCode interview questions. 59 problems appear only in ServiceNow's list and 13 appear only in Siemens's list.
What topics overlap most between ServiceNow and Siemens?
The most common shared topics between ServiceNow and Siemens are Array (8 shared questions), Hash Table (5 shared questions), String (3 shared questions), Dynamic Programming (3 shared questions), Sorting (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ServiceNow or Siemens?
ServiceNow has 7 Easy, 51 Medium, and 13 Hard questions. Siemens has 8 Easy, 13 Medium, and 4 Hard questions. ServiceNow has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ServiceNow and Siemens?
Start with the 12 shared problems since they cover what both companies ask most often. Then add 20 ServiceNow-specific and 13 Siemens-specific questions to round out your prep.