Deloitte vs Microsoft Interview Questions
Deloitte lists 43 LeetCode interview questions while Microsoft lists 192. They share 26 problems — 60% of Deloitte's bank and 14% of Microsoft's. Focus on the overlap first, then drill into 17 Deloitte-only and 166 Microsoft-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 26 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Deloitte and Microsoft.
Step 2 — Company-specific depth: Add Deloitte-specific problems like Change Null Values in a Table to the Previous Value, Second Highest Salary, Valid Palindrome 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
Top Shared Topics
26 Shared Questions
High-priority problems to practice for both Deloitte and Microsoft.
| Problem | Difficulty |
|---|---|
| Merge k Sorted Lists | Hard |
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Longest Palindromic Substring | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Common Prefix | Easy |
| Container With Most Water | Medium |
| Palindrome Number | Easy |
| Climbing Stairs | Easy |
| Add Binary | Easy |
| Merge Intervals | Medium |
| 3Sum | Medium |
| Maximum Subarray | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Group Anagrams | Medium |
| Edit Distance | Medium |
| Max Consecutive Ones | Easy |
| Kth Largest Element in an Array | Medium |
| Roman to Integer | Easy |
| Split Array Largest Sum | Hard |
| Longest Consecutive Sequence | Medium |
| Rotate Array | Medium |
| Next Permutation | Medium |
| Valid Anagram | Easy |
| Subarray Sum Equals K | Medium |
Unique to Deloitte (17)
Problems in Deloitte's list that do not appear at Microsoft.
| Problem | Difficulty |
|---|---|
| Change Null Values in a Table to the Previous Value | Medium |
| Second Highest Salary | Medium |
| Valid Palindrome | Easy |
| Managers with at Least 5 Direct Reports | Medium |
| Minimum Time to Repair Cars | Medium |
| First Unique Character in a String | Easy |
| Nth Highest Salary | Medium |
| Remove K Digits | Medium |
| Rising Temperature | Easy |
| Reverse Pairs | Hard |
| Coin Change | Medium |
| Remove K-Balanced Substrings | Medium |
Unique to Microsoft (166)
Problems in Microsoft's list that do not appear at Deloitte.
| Problem | Difficulty |
|---|---|
| Merge Sorted Array | Easy |
| Add Two Numbers | Medium |
| Trapping Rain Water | Hard |
| Single Element in a Sorted Array | Medium |
| Median of Two Sorted Arrays | Hard |
| Search in Rotated Sorted Array | Medium |
| Reverse Nodes in k-Group | Hard |
| Merge Two Sorted Lists | Easy |
| Spiral Matrix | Medium |
| Rotate Image | Medium |
| Sort Colors | Medium |
| Create Hello World Function | Easy |
Frequently Asked Questions
How many LeetCode questions do Deloitte and Microsoft share?
Deloitte and Microsoft share 26 LeetCode interview questions. 17 problems appear only in Deloitte's list and 166 appear only in Microsoft's list.
What topics overlap most between Deloitte and Microsoft?
The most common shared topics between Deloitte and Microsoft are Array (16 shared questions), String (9 shared questions), Hash Table (7 shared questions), Two Pointers (6 shared questions), Dynamic Programming (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Deloitte or Microsoft?
Deloitte has 17 Easy, 23 Medium, and 3 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 Deloitte and Microsoft?
Start with the 26 shared problems since they cover what both companies ask most often. Then add 17 Deloitte-specific and 20 Microsoft-specific questions to round out your prep.