Siemens vs Zenefits Interview Questions
Siemens lists 25 LeetCode interview questions while Zenefits lists 21. They share 3 problems — 12% of Siemens's bank and 14% of Zenefits's. Focus on the overlap first, then drill into 22 Siemens-only and 18 Zenefits-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 3 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Siemens and Zenefits.
Step 2 — Company-specific depth: Add Siemens-specific problems like Minimized Maximum of Products Distributed to Any Store, Peaks in Array, Merge Intervals and Zenefits-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zenefits skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
3 Shared Questions
High-priority problems to practice for both Siemens and Zenefits.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Valid Parentheses | Easy |
| LRU Cache | Medium |
Unique to Siemens (22)
Problems in Siemens's list that do not appear at Zenefits.
| Problem | Difficulty |
|---|---|
| Minimized Maximum of Products Distributed to Any Store | Medium |
| Peaks in Array | Hard |
| Merge Intervals | Medium |
| The Skyline Problem | Hard |
| Merge Two Sorted Lists | Easy |
| Two Sum | Easy |
| First Missing Positive | Hard |
| Valid Anagram | Easy |
| Remove Duplicates from Sorted Array | Easy |
| Maximum Product of Three Numbers | Easy |
| Group Anagrams | Medium |
| Minimum Add to Make Parentheses Valid | Medium |
Unique to Zenefits (18)
Problems in Zenefits's list that do not appear at Siemens.
| Problem | Difficulty |
|---|---|
| Median of Two Sorted Arrays | Hard |
| Graph Valid Tree | Medium |
| Reverse Linked List | Easy |
| Course Schedule | Medium |
| Course Schedule II | Medium |
| Generate Parentheses | Medium |
| Min Stack | Medium |
| Majority Element II | Medium |
| Excel Sheet Column Title | Easy |
| Majority Element | Easy |
| Trapping Rain Water | Hard |
| Convert Sorted List to Binary Search Tree | Medium |
Frequently Asked Questions
How many LeetCode questions do Siemens and Zenefits share?
Siemens and Zenefits share 3 LeetCode interview questions. 22 problems appear only in Siemens's list and 18 appear only in Zenefits's list.
What topics overlap most between Siemens and Zenefits?
The most common shared topics between Siemens and Zenefits are Array (1 shared questions), Depth-First Search (1 shared questions), Breadth-First Search (1 shared questions), Union-Find (1 shared questions), Matrix (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Siemens or Zenefits?
Siemens has 8 Easy, 13 Medium, and 4 Hard questions. Zenefits has 5 Easy, 11 Medium, and 5 Hard questions. Zenefits has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Siemens and Zenefits?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 Siemens-specific and 18 Zenefits-specific questions to round out your prep.