Bloomberg vs Deloitte Interview Questions
Bloomberg lists 1,200 LeetCode interview questions while Deloitte lists 43. They share 40 problems — 3% of Bloomberg's bank and 93% of Deloitte's. Focus on the overlap first, then drill into 1,160 Bloomberg-only and 3 Deloitte-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 40 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Bloomberg and Deloitte.
Step 2 — Company-specific depth: Add Bloomberg-specific problems like Add Two Numbers, Insert Delete GetRandom O(1), Number of Islands and Deloitte-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
40 Shared Questions
High-priority problems to practice for both Bloomberg and Deloitte.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Merge Intervals | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Valid Parentheses | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Longest Palindromic Substring | Medium |
| 3Sum | Medium |
| Longest Common Prefix | Easy |
| Container With Most Water | Medium |
| Valid Anagram | Easy |
| Remove Duplicates from Sorted Array | Easy |
| Palindrome Number | Easy |
| Roman to Integer | Easy |
| Subarray Sum Equals K | Medium |
| Longest Consecutive Sequence | Medium |
| Maximum Subarray | Medium |
| Group Anagrams | Medium |
| Next Permutation | Medium |
| First Unique Character in a String | Easy |
| Climbing Stairs | Easy |
| Rotate Array | Medium |
| Valid Palindrome | Easy |
| Coin Change | Medium |
| Merge k Sorted Lists | Hard |
| Max Consecutive Ones | Easy |
| Kth Largest Element in an Array | Medium |
| Managers with at Least 5 Direct Reports | Medium |
| Add Binary | Easy |
| Edit Distance | Medium |
| Reverse Vowels of a String | Easy |
Showing top 30 of 40 shared problems.
Unique to Bloomberg (1,160)
Problems in Bloomberg's list that do not appear at Deloitte.
| Problem | Difficulty |
|---|---|
| Add Two Numbers | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Number of Islands | Medium |
| Trapping Rain Water | Hard |
| Invalid Transactions | Medium |
| Flatten a Multilevel Doubly Linked List | Medium |
| Word Search | Medium |
| Median of Two Sorted Arrays | Hard |
| Majority Element | Easy |
| Reverse Integer | Medium |
| Decode String | Medium |
| Merge Sorted Array | Easy |
Unique to Deloitte (3)
Problems in Deloitte's list that do not appear at Bloomberg.
| Problem | Difficulty |
|---|---|
| Change Null Values in a Table to the Previous Value | Medium |
| Minimum Time to Repair Cars | Medium |
| Super Ugly Number | Medium |
Frequently Asked Questions
How many LeetCode questions do Bloomberg and Deloitte share?
Bloomberg and Deloitte share 40 LeetCode interview questions. 1160 problems appear only in Bloomberg's list and 3 appear only in Deloitte's list.
What topics overlap most between Bloomberg and Deloitte?
The most common shared topics between Bloomberg and Deloitte are Array (16 shared questions), String (12 shared questions), Hash Table (8 shared questions), Two Pointers (8 shared questions), Dynamic Programming (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Bloomberg or Deloitte?
Bloomberg has 395 Easy, 645 Medium, and 160 Hard questions. Deloitte has 17 Easy, 23 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 Deloitte?
Start with the 40 shared problems since they cover what both companies ask most often. Then add 20 Bloomberg-specific and 3 Deloitte-specific questions to round out your prep.