Deloitte vs TikTok Interview Questions
Deloitte lists 43 LeetCode interview questions while TikTok lists 351. They share 24 problems — 56% of Deloitte's bank and 7% of TikTok's. Focus on the overlap first, then drill into 19 Deloitte-only and 327 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 24 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Deloitte and TikTok.
Step 2 — Company-specific depth: Add Deloitte-specific problems like Change Null Values in a Table to the Previous Value, Second Highest Salary, Palindrome Number and TikTok-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: TikTok skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
24 Shared Questions
High-priority problems to practice for both Deloitte and TikTok.
| 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 |
| Climbing Stairs | Easy |
| Valid Palindrome | Easy |
| Merge Intervals | Medium |
| 3Sum | Medium |
| Maximum Subarray | Medium |
| Group Anagrams | Medium |
| Remove K Digits | Medium |
| Edit Distance | Medium |
| Coin Change | Medium |
| Kth Largest Element in an Array | Medium |
| Roman to Integer | Easy |
| Longest Consecutive Sequence | Medium |
| Rotate Array | Medium |
| Next Permutation | Medium |
| Shortest Unsorted Continuous Subarray | Medium |
| Subarray Sum Equals K | Medium |
Unique to Deloitte (19)
Problems in Deloitte's list that do not appear at TikTok.
Unique to TikTok (327)
Problems in TikTok's list that do not appear at Deloitte.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Longest Increasing Subsequence | Medium |
| Number of Distinct Islands | Medium |
| Meeting Rooms II | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Trapping Rain Water | Hard |
| Subarray With Elements Greater Than Varying Threshold | Hard |
| Text Justification | Hard |
| Decode String | Medium |
| Word Search | Medium |
Frequently Asked Questions
How many LeetCode questions do Deloitte and TikTok share?
Deloitte and TikTok share 24 LeetCode interview questions. 19 problems appear only in Deloitte's list and 327 appear only in TikTok's list.
What topics overlap most between Deloitte and TikTok?
The most common shared topics between Deloitte and TikTok are Array (15 shared questions), String (9 shared questions), Two Pointers (7 shared questions), Hash Table (6 shared questions), Dynamic Programming (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Deloitte or TikTok?
Deloitte has 17 Easy, 23 Medium, and 3 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. TikTok has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Deloitte and TikTok?
Start with the 24 shared problems since they cover what both companies ask most often. Then add 19 Deloitte-specific and 20 TikTok-specific questions to round out your prep.