Bloomberg vs Yahoo Interview Questions
Bloomberg lists 1,200 LeetCode interview questions while Yahoo lists 34. They share 30 problems — 3% of Bloomberg's bank and 88% of Yahoo's. Focus on the overlap first, then drill into 1,170 Bloomberg-only and 4 Yahoo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 30 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Bloomberg and Yahoo.
Step 2 — Company-specific depth: Add Bloomberg-specific problems like Merge Intervals, Add Two Numbers, Longest Substring Without Repeating Characters and Yahoo-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Bloomberg skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
30 Shared Questions
High-priority problems to practice for both Bloomberg and Yahoo.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Longest Common Prefix | Easy |
| Word Search | Medium |
| Median of Two Sorted Arrays | Hard |
| Decode String | Medium |
| Palindrome Number | Easy |
| LRU Cache | Medium |
| Roman to Integer | Easy |
| Subarray Sum Equals K | Medium |
| Search in Rotated Sorted Array | Medium |
| Meeting Rooms II | Medium |
| Find Peak Element | Medium |
| Validate Binary Search Tree | Medium |
| Reverse Linked List | Easy |
| Longest Repeating Character Replacement | Medium |
| Contains Duplicate | Easy |
| Evaluate Division | Medium |
| Word Break | Medium |
| Spiral Matrix | Medium |
| Linked List Cycle | Easy |
| Combination Sum | Medium |
| Top K Frequent Elements | Medium |
| Maximum Depth of Binary Tree | Easy |
| Serialize and Deserialize Binary Tree | Hard |
| Shortest Path in Binary Matrix | Medium |
| Restore IP Addresses | Medium |
| Flatten Nested List Iterator | Medium |
| Maximum Distance in Arrays | Medium |
| Binary Number with Alternating Bits | Easy |
Unique to Bloomberg (1,170)
Problems in Bloomberg's list that do not appear at Yahoo.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Add Two Numbers | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Number of Islands | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Trapping Rain Water | Hard |
| Longest Palindromic Substring | Medium |
| Invalid Transactions | Medium |
| 3Sum | Medium |
| Flatten a Multilevel Doubly Linked List | Medium |
| Majority Element | Easy |
Unique to Yahoo (4)
Problems in Yahoo's list that do not appear at Bloomberg.
| Problem | Difficulty |
|---|---|
| Largest Palindrome Product | Hard |
| Matrix Cells in Distance Order | Easy |
| Non-decreasing Subsequences | Medium |
| Peeking Iterator | Medium |
Frequently Asked Questions
How many LeetCode questions do Bloomberg and Yahoo share?
Bloomberg and Yahoo share 30 LeetCode interview questions. 1170 problems appear only in Bloomberg's list and 4 appear only in Yahoo's list.
What topics overlap most between Bloomberg and Yahoo?
The most common shared topics between Bloomberg and Yahoo are Array (16 shared questions), String (10 shared questions), Hash Table (9 shared questions), Depth-First Search (6 shared questions), Tree (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Bloomberg or Yahoo?
Bloomberg has 395 Easy, 645 Medium, and 160 Hard questions. Yahoo has 11 Easy, 20 Medium, and 3 Hard questions. Bloomberg has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Bloomberg and Yahoo?
Start with the 30 shared problems since they cover what both companies ask most often. Then add 20 Bloomberg-specific and 4 Yahoo-specific questions to round out your prep.