Citadel vs Intuit Interview Questions
Citadel lists 101 LeetCode interview questions while Intuit lists 73. They share 21 problems — 21% of Citadel's bank and 29% of Intuit's. Focus on the overlap first, then drill into 80 Citadel-only and 52 Intuit-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 21 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Citadel and Intuit.
Step 2 — Company-specific depth: Add Citadel-specific problems like Longest Non-decreasing Subarray From Two Arrays, Minimum Knight Moves, Delete and Earn and Intuit-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Citadel skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
21 Shared Questions
High-priority problems to practice for both Citadel and Intuit.
| Problem | Difficulty |
|---|---|
| Binary Tree Maximum Path Sum | Hard |
| LRU Cache | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Serialize and Deserialize Binary Tree | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Number of Islands | Medium |
| Sudoku Solver | Hard |
| Employee Free Time | Hard |
| Group Anagrams | Medium |
| Binary Tree Zigzag Level Order Traversal | Medium |
| Trapping Rain Water | Hard |
| Design Circular Queue | Medium |
| Climbing Stairs | Easy |
| Median of Two Sorted Arrays | Hard |
| House Robber | Medium |
| 3Sum | Medium |
| Longest Increasing Subsequence | Medium |
| Rotting Oranges | Medium |
| Reorganize String | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
Unique to Citadel (80)
Problems in Citadel's list that do not appear at Intuit.
Unique to Intuit (52)
Problems in Intuit's list that do not appear at Citadel.
Frequently Asked Questions
How many LeetCode questions do Citadel and Intuit share?
Citadel and Intuit share 21 LeetCode interview questions. 80 problems appear only in Citadel's list and 52 appear only in Intuit's list.
What topics overlap most between Citadel and Intuit?
The most common shared topics between Citadel and Intuit are Array (13 shared questions), Dynamic Programming (6 shared questions), Breadth-First Search (6 shared questions), Depth-First Search (5 shared questions), Hash Table (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Citadel or Intuit?
Citadel has 5 Easy, 60 Medium, and 36 Hard questions. Intuit has 12 Easy, 47 Medium, and 14 Hard questions. Citadel has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Citadel and Intuit?
Start with the 21 shared problems since they cover what both companies ask most often. Then add 20 Citadel-specific and 20 Intuit-specific questions to round out your prep.