Bloomberg vs Oracle Interview Questions
Bloomberg lists 1,200 LeetCode interview questions while Oracle lists 314. They share 250 problems — 21% of Bloomberg's bank and 80% of Oracle's. Focus on the overlap first, then drill into 950 Bloomberg-only and 64 Oracle-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 250 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Bloomberg and Oracle.
Step 2 — Company-specific depth: Add Bloomberg-specific problems like Flatten a Multilevel Doubly Linked List, Design Underground System, Number of Ships in a Rectangle and Oracle-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Oracle skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
250 Shared Questions
High-priority problems to practice for both Bloomberg and Oracle.
| 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 |
| Invalid Transactions | Medium |
| 3Sum | Medium |
| Longest Common Prefix | Easy |
| Word Search | Medium |
| Median of Two Sorted Arrays | Hard |
| Majority Element | Easy |
| Container With Most Water | Medium |
| Reverse Integer | Medium |
| Decode String | Medium |
| Merge Sorted Array | Easy |
| Valid Anagram | Easy |
| Remove Duplicates from Sorted Array | Easy |
| Palindrome Number | Easy |
| Merge Two Sorted Lists | Easy |
| LRU Cache | Medium |
| Roman to Integer | Easy |
| Subarray Sum Equals K | Medium |
| Longest Consecutive Sequence | Medium |
| Search in Rotated Sorted Array | Medium |
| Min Stack | Medium |
Showing top 30 of 250 shared problems.
Unique to Bloomberg (950)
Problems in Bloomberg's list that do not appear at Oracle.
| Problem | Difficulty |
|---|---|
| Flatten a Multilevel Doubly Linked List | Medium |
| Design Underground System | Medium |
| Number of Ships in a Rectangle | Hard |
| Create Hello World Function | Easy |
| String to Integer (atoi) | Medium |
| Single Number | Easy |
| Longest Repeating Character Replacement | Medium |
| Pascal's Triangle | Easy |
| 4Sum | Medium |
| Sort Integers by The Power Value | Medium |
| All Paths From Source to Target | Medium |
| Remove Element | Easy |
Unique to Oracle (64)
Problems in Oracle's list that do not appear at Bloomberg.
Frequently Asked Questions
How many LeetCode questions do Bloomberg and Oracle share?
Bloomberg and Oracle share 250 LeetCode interview questions. 950 problems appear only in Bloomberg's list and 64 appear only in Oracle's list.
What topics overlap most between Bloomberg and Oracle?
The most common shared topics between Bloomberg and Oracle are Array (18 shared questions), Hash Table (10 shared questions), String (9 shared questions), Sorting (6 shared questions), Two Pointers (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Bloomberg or Oracle?
Bloomberg has 395 Easy, 645 Medium, and 160 Hard questions. Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Oracle has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Bloomberg and Oracle?
Start with the 250 shared problems since they cover what both companies ask most often. Then add 20 Bloomberg-specific and 20 Oracle-specific questions to round out your prep.