Citadel vs Flipkart Interview Questions
Citadel lists 101 LeetCode interview questions while Flipkart lists 105. They share 21 problems — 21% of Citadel's bank and 20% of Flipkart's. Focus on the overlap first, then drill into 80 Citadel-only and 84 Flipkart-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 Flipkart.
Step 2 — Company-specific depth: Add Citadel-specific problems like Longest Non-decreasing Subarray From Two Arrays, Minimum Knight Moves, Delete and Earn and Flipkart-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 Flipkart.
| Problem | Difficulty |
|---|---|
| Binary Tree Maximum Path Sum | Hard |
| LRU Cache | Medium |
| Evaluate Division | Medium |
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Find the Duplicate Number | Medium |
| Serialize and Deserialize Binary Tree | Hard |
| Number of Islands | Medium |
| Find Median from Data Stream | Hard |
| Merge k Sorted Lists | Hard |
| Trapping Rain Water | Hard |
| Median of Two Sorted Arrays | Hard |
| Maximal Square | Medium |
| House Robber | Medium |
| 3Sum | Medium |
| Asteroid Collision | Medium |
| Container With Most Water | Medium |
| Rotting Oranges | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Koko Eating Bananas | Medium |
Unique to Citadel (80)
Problems in Citadel's list that do not appear at Flipkart.
Unique to Flipkart (84)
Problems in Flipkart's list that do not appear at Citadel.
Frequently Asked Questions
How many LeetCode questions do Citadel and Flipkart share?
Citadel and Flipkart share 21 LeetCode interview questions. 80 problems appear only in Citadel's list and 84 appear only in Flipkart's list.
What topics overlap most between Citadel and Flipkart?
The most common shared topics between Citadel and Flipkart are Array (14 shared questions), Depth-First Search (6 shared questions), Breadth-First Search (6 shared questions), Dynamic Programming (5 shared questions), Two Pointers (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Citadel or Flipkart?
Citadel has 5 Easy, 60 Medium, and 36 Hard questions. Flipkart has 7 Easy, 68 Medium, and 30 Hard questions. Citadel has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Citadel and Flipkart?
Start with the 21 shared problems since they cover what both companies ask most often. Then add 20 Citadel-specific and 20 Flipkart-specific questions to round out your prep.