Bloomberg vs X Interview Questions
Bloomberg lists 1,200 LeetCode interview questions while X lists 51. They share 32 problems — 3% of Bloomberg's bank and 63% of X's. Focus on the overlap first, then drill into 1,168 Bloomberg-only and 19 X-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 32 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Bloomberg and X.
Step 2 — Company-specific depth: Add Bloomberg-specific problems like Two Sum, Add Two Numbers, Longest Substring Without Repeating Characters and X-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: X skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
32 Shared Questions
High-priority problems to practice for both Bloomberg and X.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| Insert Delete GetRandom O(1) | Medium |
| Trapping Rain Water | Hard |
| LRU Cache | Medium |
| Reverse Linked List | Easy |
| Word Break II | Hard |
| Pascal's Triangle | Easy |
| Merge k Sorted Lists | Hard |
| Integer to Roman | Medium |
| Regular Expression Matching | Hard |
| Happy Number | Easy |
| Wildcard Matching | Hard |
| Implement Trie (Prefix Tree) | Medium |
| Lowest Common Ancestor of a Binary Search Tree | Medium |
| Minimum Number of Steps to Make Two Strings Anagram | Medium |
| Permutation Sequence | Hard |
| Multiply Strings | Medium |
| Remove All Occurrences of a Substring | Medium |
| Invalid Tweets | Easy |
| Minimum Genetic Mutation | Medium |
| Trapping Rain Water II | Hard |
| Max Points on a Line | Hard |
| Investments in 2016 | Medium |
| Flatten Nested List Iterator | Medium |
| Design Twitter | Medium |
| Alien Dictionary | Hard |
| Time Needed to Buy Tickets | Easy |
| Tree Node | Medium |
| The Skyline Problem | Hard |
Showing top 30 of 32 shared problems.
Unique to Bloomberg (1,168)
Problems in Bloomberg's list that do not appear at X.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Add Two Numbers | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | 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 |
| Median of Two Sorted Arrays | Hard |
Unique to X (19)
Problems in X's list that do not appear at Bloomberg.
| Problem | Difficulty |
|---|---|
| Tweet Counts Per Frequency | Medium |
| Finding the Users Active Minutes | Medium |
| One Edit Distance | Medium |
| Best Meeting Point | Hard |
| Design Skiplist | Hard |
| Number of Connected Components in an Undirected Graph | Medium |
| Count Student Number in Departments | Medium |
| Rectangles Area | Medium |
| Customer Placing the Largest Number of Orders | Easy |
| Number of Black Blocks | Medium |
| Validate IP Address | Medium |
| Masking Personal Information | Medium |
Frequently Asked Questions
How many LeetCode questions do Bloomberg and X share?
Bloomberg and X share 32 LeetCode interview questions. 1168 problems appear only in Bloomberg's list and 19 appear only in X's list.
What topics overlap most between Bloomberg and X?
The most common shared topics between Bloomberg and X are String (11 shared questions), Array (10 shared questions), Hash Table (10 shared questions), Math (6 shared questions), Design (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Bloomberg or X?
Bloomberg has 395 Easy, 645 Medium, and 160 Hard questions. X has 8 Easy, 31 Medium, and 12 Hard questions. X has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Bloomberg and X?
Start with the 32 shared problems since they cover what both companies ask most often. Then add 20 Bloomberg-specific and 19 X-specific questions to round out your prep.