Bloomberg vs Zenefits Interview Questions
Bloomberg lists 1,200 LeetCode interview questions while Zenefits lists 21. They share 18 problems — 2% of Bloomberg's bank and 86% of Zenefits's. Focus on the overlap first, then drill into 1,182 Bloomberg-only and 3 Zenefits-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 18 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Bloomberg and Zenefits.
Step 2 — Company-specific depth: Add Bloomberg-specific problems like Two Sum, Merge Intervals, Add Two Numbers 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
18 Shared Questions
High-priority problems to practice for both Bloomberg and Zenefits.
| Problem | Difficulty |
|---|---|
| Valid Parentheses | Easy |
| Number of Islands | Medium |
| Trapping Rain Water | Hard |
| Median of Two Sorted Arrays | Hard |
| Majority Element | Easy |
| LRU Cache | Medium |
| Min Stack | Medium |
| Generate Parentheses | Medium |
| Reverse Linked List | Easy |
| Valid Palindrome | Easy |
| Sliding Window Maximum | Hard |
| Majority Element II | Medium |
| Course Schedule | Medium |
| Course Schedule II | Medium |
| Excel Sheet Column Title | Easy |
| N-Queens II | Hard |
| Shortest Distance from All Buildings | Hard |
| Convert Sorted List to Binary Search Tree | Medium |
Unique to Bloomberg (1,182)
Problems in Bloomberg's list that do not appear at Zenefits.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Merge Intervals | Medium |
| Add Two Numbers | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Palindromic Substring | Medium |
| Invalid Transactions | Medium |
| 3Sum | Medium |
| Longest Common Prefix | Easy |
| Flatten a Multilevel Doubly Linked List | Medium |
| Word Search | Medium |
Unique to Zenefits (3)
Problems in Zenefits's list that do not appear at Bloomberg.
| Problem | Difficulty |
|---|---|
| Graph Valid Tree | Medium |
| Flatten 2D Vector | Medium |
| Verify Preorder Sequence in Binary Search Tree | Medium |
Frequently Asked Questions
How many LeetCode questions do Bloomberg and Zenefits share?
Bloomberg and Zenefits share 18 LeetCode interview questions. 1182 problems appear only in Bloomberg's list and 3 appear only in Zenefits's list.
What topics overlap most between Bloomberg and Zenefits?
The most common shared topics between Bloomberg and Zenefits are Array (7 shared questions), String (4 shared questions), Breadth-First Search (4 shared questions), Stack (3 shared questions), Depth-First Search (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Bloomberg or Zenefits?
Bloomberg has 395 Easy, 645 Medium, and 160 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 Bloomberg and Zenefits?
Start with the 18 shared problems since they cover what both companies ask most often. Then add 20 Bloomberg-specific and 3 Zenefits-specific questions to round out your prep.