Bloomberg vs Microsoft Interview Questions

Bloomberg lists 1,200 LeetCode interview questions while Microsoft lists 192. They share 185 problems — 15% of Bloomberg's bank and 96% of Microsoft's. Focus on the overlap first, then drill into 1,015 Bloomberg-only and 7 Microsoft-only questions.

Read the full Bloomberg vs Microsoft preparation guide →

Overview

Bloomberg

1,200 questions

Easy 395Medium 645Hard 160
Microsoft

192 questions

Easy 55Medium 109Hard 28

Preparation Strategy

Step 1 — Shared core: Solve the 185 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Bloomberg and Microsoft.

Step 2 — Company-specific depth: Add Bloomberg-specific problems like Insert Delete GetRandom O(1), Invalid Transactions, Flatten a Multilevel Doubly Linked List and Microsoft-specific problems from the exclusive lists below.

Step 3 — Difficulty tuning: Microsoft skews harder in our data. Budget extra time for Hard problems if you are targeting that company.

Difficulty Comparison

Easy
Bloomberg
395
Microsoft
55
Medium
Bloomberg
645
Microsoft
109
Hard
Bloomberg
160
Microsoft
28

Top Shared Topics

185 Shared Questions

High-priority problems to practice for both Bloomberg and Microsoft.

ProblemDifficulty
Two SumEasy
Merge IntervalsMedium
Add Two NumbersMedium
Longest Substring Without Repeating CharactersMedium
Valid ParenthesesEasy
Number of IslandsMedium
Best Time to Buy and Sell StockEasy
Trapping Rain WaterHard
Longest Palindromic SubstringMedium
3SumMedium
Longest Common PrefixEasy
Word SearchMedium
Median of Two Sorted ArraysHard
Majority ElementEasy
Container With Most WaterMedium
Reverse IntegerMedium
Merge Sorted ArrayEasy
Valid AnagramEasy
Remove Duplicates from Sorted ArrayEasy
Palindrome NumberEasy
Merge Two Sorted ListsEasy
LRU CacheMedium
Roman to IntegerEasy
Subarray Sum Equals KMedium
Longest Consecutive SequenceMedium
Search in Rotated Sorted ArrayMedium
Min StackMedium
Maximum SubarrayMedium
Group AnagramsMedium
SubsetsMedium

Showing top 30 of 185 shared problems.

Unique to Bloomberg (1,015)

Problems in Bloomberg's list that do not appear at Microsoft.

ProblemDifficulty
Insert Delete GetRandom O(1)Medium
Invalid TransactionsMedium
Flatten a Multilevel Doubly Linked ListMedium
Decode StringMedium
Design Underground SystemMedium
First Unique Character in a StringEasy
Number of Ships in a RectangleHard
Word Break IIHard
Valid PalindromeEasy
Coin ChangeMedium
Longest Repeating Character ReplacementMedium
Pascal's TriangleEasy

Unique to Microsoft (7)

Problems in Microsoft's list that do not appear at Bloomberg.

ProblemDifficulty
Minimum Edge Reversals So Every Node Is ReachableHard
K-th Smallest in Lexicographical OrderHard
Longest Substring with At Most K Distinct CharactersMedium
Maximum Difference Between Even and Odd Frequency IEasy
Transform Array to All Equal ElementsMedium
Encode and Decode StringsMedium
Single-Threaded CPUMedium

Frequently Asked Questions

How many LeetCode questions do Bloomberg and Microsoft share?

Bloomberg and Microsoft share 185 LeetCode interview questions. 1015 problems appear only in Bloomberg's list and 7 appear only in Microsoft's list.

What topics overlap most between Bloomberg and Microsoft?

The most common shared topics between Bloomberg and Microsoft are Array (19 shared questions), Hash Table (9 shared questions), String (8 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 Microsoft?

Bloomberg has 395 Easy, 645 Medium, and 160 Hard questions. Microsoft has 55 Easy, 109 Medium, and 28 Hard questions. Microsoft has a higher proportion of Hard problems in its interview set.

How should I prepare if interviewing at both Bloomberg and Microsoft?

Start with the 185 shared problems since they cover what both companies ask most often. Then add 20 Bloomberg-specific and 7 Microsoft-specific questions to round out your prep.

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