Citadel vs Zomato Interview Questions

Citadel lists 101 LeetCode interview questions while Zomato lists 27. They share 11 problems — 11% of Citadel's bank and 41% of Zomato's. Focus on the overlap first, then drill into 90 Citadel-only and 16 Zomato-only questions.

Overview

Citadel

101 questions

Easy 5Medium 60Hard 36
Zomato

27 questions

Easy 2Medium 17Hard 8

Preparation Strategy

Step 1 — Shared core: Solve the 11 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Citadel and Zomato.

Step 2 — Company-specific depth: Add Citadel-specific problems like Longest Non-decreasing Subarray From Two Arrays, Binary Tree Maximum Path Sum, Minimum Knight Moves and Zomato-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

Easy
Citadel
5
Zomato
2
Medium
Citadel
60
Zomato
17
Hard
Citadel
36
Zomato
8

Top Shared Topics

11 Shared Questions

High-priority problems to practice for both Citadel and Zomato.

ProblemDifficulty
LFU CacheHard
Merge IntervalsMedium
Number of IslandsMedium
PermutationsMedium
Combination SumMedium
Maximal SquareMedium
3SumMedium
Search a 2D Matrix IIMedium
Container With Most WaterMedium
The Skyline ProblemHard
Course ScheduleMedium

Unique to Citadel (90)

Problems in Citadel's list that do not appear at Zomato.

ProblemDifficulty
Longest Non-decreasing Subarray From Two ArraysMedium
Binary Tree Maximum Path SumHard
Minimum Knight MovesMedium
Delete and EarnMedium
Palindromic SubstringsMedium
Sliding Window MaximumHard
Count Palindromic SubsequencesHard
Minimum Equal Sum of Two Arrays After Replacing ZerosMedium
Minimum Operations to Make Numbers Non-positiveHard
Number of Good Binary StringsMedium
Maximum Total Damage With Spell CastingMedium
LRU CacheMedium

Unique to Zomato (16)

Problems in Zomato's list that do not appear at Citadel.

ProblemDifficulty
Maximum Spending After Buying ItemsHard
Number of Ways to Divide a Long CorridorHard
Shortest Cycle in a GraphHard
Bitwise OR of All Subsequence SumsMedium
Split the Array to Make Coprime ProductsHard
Count the Hidden SequencesMedium
First Missing PositiveHard
Exchange SeatsMedium
Longest Substring Without Repeating CharactersMedium
Maximum SubarrayMedium
Isomorphic StringsEasy
Snakes and LaddersMedium

Frequently Asked Questions

How many LeetCode questions do Citadel and Zomato share?

Citadel and Zomato share 11 LeetCode interview questions. 90 problems appear only in Citadel's list and 16 appear only in Zomato's list.

What topics overlap most between Citadel and Zomato?

The most common shared topics between Citadel and Zomato are Array (9 shared questions), Matrix (3 shared questions), Sorting (2 shared questions), Depth-First Search (2 shared questions), Breadth-First Search (2 shared questions). Mastering these areas prepares you for both companies.

Which company asks harder LeetCode questions: Citadel or Zomato?

Citadel has 5 Easy, 60 Medium, and 36 Hard questions. Zomato has 2 Easy, 17 Medium, and 8 Hard questions. Citadel has a higher proportion of Hard problems in its interview set.

How should I prepare if interviewing at both Citadel and Zomato?

Start with the 11 shared problems since they cover what both companies ask most often. Then add 20 Citadel-specific and 16 Zomato-specific questions to round out your prep.

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