Bloomberg vs ByteDance Interview Questions
Bloomberg lists 1,200 LeetCode interview questions while ByteDance lists 64. They share 58 problems — 5% of Bloomberg's bank and 91% of ByteDance's. Focus on the overlap first, then drill into 1,142 Bloomberg-only and 6 ByteDance-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 58 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Bloomberg and ByteDance.
Step 2 — Company-specific depth: Add Bloomberg-specific problems like Invalid Transactions, 3Sum, Longest Common Prefix and ByteDance-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: ByteDance skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
58 Shared Questions
High-priority problems to practice for both Bloomberg and ByteDance.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Merge Intervals | Medium |
| Add Two Numbers | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Valid Parentheses | Easy |
| 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 |
| Decode String | Medium |
| LRU Cache | Medium |
| Subarray Sum Equals K | Medium |
| Search in Rotated Sorted Array | Medium |
| Maximum Subarray | Medium |
| Subsets | Medium |
| Climbing Stairs | Easy |
| Find Peak Element | Medium |
| Longest Repeating Character Replacement | Medium |
| Jump Game | Medium |
| Single Element in a Sorted Array | Medium |
| House Robber | Medium |
| Merge k Sorted Lists | Hard |
| 3Sum Closest | Medium |
| Rotting Oranges | Medium |
| Kth Largest Element in an Array | Medium |
| Unique Paths | Medium |
| Combination Sum | Medium |
| Top K Frequent Elements | Medium |
| Longest Increasing Subsequence | Medium |
Showing top 30 of 58 shared problems.
Unique to Bloomberg (1,142)
Problems in Bloomberg's list that do not appear at ByteDance.
| Problem | Difficulty |
|---|---|
| Invalid Transactions | Medium |
| 3Sum | Medium |
| Longest Common Prefix | Easy |
| Flatten a Multilevel Doubly Linked List | Medium |
| Word Search | Medium |
| Median of Two Sorted Arrays | Hard |
| Majority Element | Easy |
| Container With Most Water | Medium |
| Reverse Integer | Medium |
| Merge Sorted Array | Easy |
| Valid Anagram | Easy |
| Remove Duplicates from Sorted Array | Easy |
Unique to ByteDance (6)
Problems in ByteDance's list that do not appear at Bloomberg.
| Problem | Difficulty |
|---|---|
| Smallest Subsequence of Distinct Characters | Medium |
| First Day Where You Have Been in All the Rooms | Medium |
| Shortest Bridge | Medium |
| Design Memory Allocator | Medium |
| Number of Good Leaf Nodes Pairs | Medium |
| Minimum Area Rectangle | Medium |
Frequently Asked Questions
How many LeetCode questions do Bloomberg and ByteDance share?
Bloomberg and ByteDance share 58 LeetCode interview questions. 1142 problems appear only in Bloomberg's list and 6 appear only in ByteDance's list.
What topics overlap most between Bloomberg and ByteDance?
The most common shared topics between Bloomberg and ByteDance are Array (20 shared questions), Dynamic Programming (9 shared questions), Hash Table (7 shared questions), String (5 shared questions), Sorting (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Bloomberg or ByteDance?
Bloomberg has 395 Easy, 645 Medium, and 160 Hard questions. ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. ByteDance has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Bloomberg and ByteDance?
Start with the 58 shared problems since they cover what both companies ask most often. Then add 20 Bloomberg-specific and 6 ByteDance-specific questions to round out your prep.