Deloitte vs Google Interview Questions
Deloitte lists 43 LeetCode interview questions while Google lists 2,305. They share 41 problems — 95% of Deloitte's bank and 2% of Google's. Focus on the overlap first, then drill into 2 Deloitte-only and 2,264 Google-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 41 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Deloitte and Google.
Step 2 — Company-specific depth: Add Deloitte-specific problems like Change Null Values in a Table to the Previous Value, Remove K-Balanced Substrings and Google-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Google skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
41 Shared Questions
High-priority problems to practice for both Deloitte and Google.
| Problem | Difficulty |
|---|---|
| Merge k Sorted Lists | Hard |
| Two Sum | Easy |
| Second Highest Salary | Medium |
| 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 |
| Valid Palindrome | Easy |
| Add Binary | Easy |
| Managers with at Least 5 Direct Reports | Medium |
| Minimum Time to Repair Cars | Medium |
| Merge Intervals | Medium |
| First Unique Character in a String | Easy |
| 3Sum | Medium |
| Maximum Subarray | Medium |
| Nth Highest Salary | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Group Anagrams | Medium |
| Remove K Digits | Medium |
| Rising Temperature | Easy |
| Reverse Pairs | Hard |
| Edit Distance | Medium |
| Coin Change | Medium |
| Max Consecutive Ones | Easy |
| Kth Largest Element in an Array | Medium |
| Roman to Integer | Easy |
Showing top 30 of 41 shared problems.
Unique to Deloitte (2)
Problems in Deloitte's list that do not appear at Google.
| Problem | Difficulty |
|---|---|
| Change Null Values in a Table to the Previous Value | Medium |
| Remove K-Balanced Substrings | Medium |
Unique to Google (2,264)
Problems in Google's list that do not appear at Deloitte.
| Problem | Difficulty |
|---|---|
| Add Two Numbers | Medium |
| Trapping Rain Water | Hard |
| Median of Two Sorted Arrays | Hard |
| Merge Sorted Array | Easy |
| Create Hello World Function | Easy |
| Merge Strings Alternately | Easy |
| Recyclable and Low Fat Products | Easy |
| Majority Element | Easy |
| Number of Islands | Medium |
| Reverse Integer | Medium |
| Merge Two Sorted Lists | Easy |
| Generate Parentheses | Medium |
Frequently Asked Questions
How many LeetCode questions do Deloitte and Google share?
Deloitte and Google share 41 LeetCode interview questions. 2 problems appear only in Deloitte's list and 2264 appear only in Google's list.
What topics overlap most between Deloitte and Google?
The most common shared topics between Deloitte and Google are Array (14 shared questions), String (11 shared questions), Dynamic Programming (6 shared questions), Hash Table (5 shared questions), Two Pointers (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Deloitte or Google?
Deloitte has 17 Easy, 23 Medium, and 3 Hard questions. Google has 601 Easy, 1205 Medium, and 499 Hard questions. Google has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Deloitte and Google?
Start with the 41 shared problems since they cover what both companies ask most often. Then add 2 Deloitte-specific and 20 Google-specific questions to round out your prep.