Browse LeetCode problems frequently asked by Cognizant. Filter by difficulty and timeframe to focus your interview prep.
Last updated: 20 Feb 2026
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1kosmos
6sense
Accelya
Accenture
Accolite
Acko
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Capital One
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Code Studio
Cognizant
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Coindcx
Coinswitch Kuber
Comcast
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Compass
Confluent
Couchbase
Coupa
Coupang
Coursera
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Credit Karma
Criteo
Crowdstrike
Cruise Automation
Ctc
Curefit
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Cyntexa
Cyware
Dailyhunt
Darwinbox
Dassault Sysetmes
Dataart
Databricks
Datadog
Dataminr
De Shaw
Deepmind
Delhivery
Deliveroo
Dell
Deloitte
Deltax
Deutsche Bank
Devrev
Dialpad
DiDi
Directi
Discord
Discovery
Disney
DJI
Docusign
DoorDash
Dp World
Drawbridge
Dream11
Dropbox
Druva
Drw
DTCC
Dunzo
Duolingo
Earnin
Ebay
Edelweiss
Electronic Arts
Elitmus
Epam Systems
Epic Games
Epic Systems
Epifi
Equinix
Ericsson
Etsy
Expedia
Ey
F5 Networks
Factset
Factwise
Faire
Fallible
Fanatics
Fast
Fastenal
FICO
Fidelity
Fidessa
Figma
Fiverr
Fivetran
Flatiron Health
Fleetx
Flexera
Flexport
Flipkart
Ford
Fortinet
Forusall
Fourkites
Fpt
Fractal Analytics
Freecharge
Freshworks
Fynd
Gainsight
Gameskraft
Garena
Garmin
Gartner
Ge Digital
Ge Healthcare
Geico
General Electric
General Motors
Genpact
Gilt Groupe
GitHub
Glassdoor
Globallogic
Globant
Glovo
Godaddy
Gojek
Goldman Sachs
Google
Gopuff
Goto
Grab
Grammarly
Graviton
Groupon
Groww
Grubhub
Gsa Capital
Gsn Games
Guidewire
Gusto
Harness
Hashedin
HBO
Hcl
Helix
Hertz
Highspot
Hilabs
Hive
Honey
Honeywell
Hopper
Hotstar
Houzz
Hp
Hpe
HRT
Hsbc
HTC
Huawei
Hubspot
Hulu
IBM
Iit Bombay
Imc
Impact Analytics
Increff
Indeed
Info Edge
Informatica
Infosys
Inmobi
Innovaccer
Instabase
Instacart
Intel
Interactive Brokers
Intercom
Intuit
Ivp
Ixigo
Ixl
Jane Street
JD.com
Jeavio
Jetbrains
Jingchi
Jio
Josh Technology
JPMorgan
Jtg
Jump Trading
Junglee Games
Juspay
Justworks
Kakao
Karat
Keeptruckin
Kickdrum
Kla
Kla Tencor
Kotak Mahindra Bank
KPIT
KPMG
Lacework
Larsen Toubro
Leap Motion
Lendingkart
Lenskart
Lg Electronics
Liberty Mutual
Liftoff
Lime
Line
LinkedIn
Liveramp
Livspace
Lowe
Lti
Lucid
Luxoft
Lyft
Machine Zone
Machinezone
Maersk
Makemytrip
Mapbox
Maq Software
Marqeta
Mastercard
Mathworks
Mcafee
Mcdonalds
Mckinsey
Medianet
Meesho
Meituan
Mercari
Meta
Micro1
Microsoft
Microstrategy
Millennium
Mindtickle
Mindtree
Mishipay
Mitsogo
Mixpanel
Mobileye
Mobisy
Moengage
Moloco
Moneylion
Mongodb
Morgan Stanley
Moveworks
Msci
Murex
Mykaarma
Myntra
Nagarro
Nasdaq
National Instruments
National Payments Coorperation India
Natwest
Navan
Naver
Navi
Ncr
Nerdwallet
Netapp
Netcracker Technology
Netease
Netflix
Netskope
Netsuite
Newsbreak
Nextdoor
Nextjump
Nference
Niantic
Nielsen
Nike
Nokia
Noon
Nordstrom
Notion
NPCI
Nuro
Nutanix
NVIDIA
Nykaa
Observeai
Odoo
Okta
Okx
OLX
Openai
Opentext
OPPO
Optiver
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Oracle
Oscar Health
Otterai
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Ozon
Palantir Technologies
Palo Alto Networks
Park
Patreon
Paycom
PayPal
Paypay
Paytm
Payu
Peak6
Pega
Peloton
Persistent Systems
Philips
PhonePe
Pickrr
Pinterest
Plaid
Playsimple
Pocket Gems
Point72
Polar
Ponyai
Pornhub
Porter
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Postman
Postmates
Poynt
Practo
Publicis Sapient
Pubmatic
Pure
Pure Storage
Purplle
Pwc
Qualcomm
Qualtrics
Qualys
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Quince
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Radius
Rakuten
Rally Health
Ramp 2
Razorpay
Rbc
Redbus
Reddit
Redfin
Remitly
Retailmenot
Revolut
Riot Games
Ripple
Rippling
Rivian
Robinhood
Roblox
Rokt
Roku
Rubrik
Salesforce
Sambanova
Samsara
Samsung
SAP
Scale Ai
Scaler
Schlumberger
Schneider Electric
Schrodinger
Sentry
Servicenow
Sharechat
Shift Technology
Shipsy
Shopee
Shopify
Siemens
Sig
Sigmoid
Singlestore
Sixt
Slice
Smartnews
Smartsheet
Snapchat
Snapdeal
Snowflake
Societe Generale
Sofi
Softwire
Sonatus
Sony
Soti
Soundhound
Spacex
Spinny
Splunk
Spotify
Sprinklr
Square
Squarepoint Capital
Squarespace
Stackadapt
Stackline
Starbucks
State Farm
Strava
Stripe
Sumologic
Swiggy
Syfe
Symantec
Synopsys
Ta Digital
Tableau
Tanium
TCS
Tech Mahindra
Tekion
Tencent
Teradata
Tesco
Tesla
Texas Instruments
The Trade Desk
Thomson Reuters
Thoughtspot
Thoughtworks
Thousandeyes
Thumbtack
TIAA
Tiger Analytics
TikTok
Tinder
Tinkoff
Toast
Tokopedia
Tomtom
Toptal
Tower Research
Tracxn
Traveloka
Trend Micro
Trexquant
Trilogy
Tripactions
Tripadvisor
Triplebyte
Turing
Turo
Turvo
Tusimple
Twilio
Twitch
Twitter
Two Sigma
Uber
Ubs
Udemy
Uipath
Ukg
Unbxd
Unity
Unstop
Upstart
Urban Company
UST
Valve
Veeva
Verily
Veritas
Verizon
Verkada
Viasat
Vimeo
Virtu
Virtusa
Visa
Vk
Vmware
Walmart Labs
Warnermedia
Watchguard
Wayfair
Waymo
Wayve
Wealthfront
Wells Fargo
Weride
Western Digital
Whatfix
Whatnot
Winzo
Wipro
Wise
Wish
Wissen
Wix
Workday
Works Applications
Worldquant
Woven By Toyota
Xing
Yahoo
Yandex
Yatra
Yelp
Yext
Yugabyte
Zalando
Zappos
Zemoso
Zendesk
Zenefits
Zepto
Zeta
Zeta Suite
Zillow
Zip
Ziprecruiter
Zluri
Zocdoc
Zoho
Zomato
Zoom
Zoox
Zopsmart
Zs Associates
Zscaler
Zulily
Zynga
30 days
3 months
6 months
More than 6 months
All
Easy
Medium
Hard
All
Problem
Difficulty
Frequency
Topics
Two Sum
EASY
87.5%
ArrayHash Table
Reverse Integer
MEDIUM
62.5%
Math
Palindrome Number
EASY
87.5%
Math
Happy Number
EASY
50%
Hash TableMathTwo Pointers
Smallest Value of the Rearranged Number
MEDIUM
87.5%
MathSorting
Fibonacci Number
EASY
75%
MathDynamic ProgrammingRecursionMemoization
Valid Anagram
EASY
62.5%
Hash TableStringSorting
Product Sales Analysis I
EASY
62.5%
Database
Maximum Subarray
MEDIUM
62.5%
ArrayDivide and ConquerDynamic Programming
Count Subarrays of Length Three With a Condition
EASY
100%
Array
Remove Duplicates from Sorted Array
EASY
50%
ArrayTwo Pointers
Longest Palindromic Substring
MEDIUM
75%
Two PointersStringDynamic Programming
Students and Examinations
EASY
50%
Database
Fizz Buzz
EASY
50%
MathStringSimulation
Merge Sorted Array
EASY
62.5%
ArrayTwo PointersSorting
Longest Substring Without Repeating Characters
MEDIUM
75%
Hash TableStringSliding Window
Second Highest Salary
MEDIUM
75%
Database
Median of Two Sorted Arrays
HARD
62.5%
ArrayBinary SearchDivide and Conquer
Add Two Numbers
MEDIUM
50%
Linked ListMathRecursion
Search Insert Position
EASY
50%
ArrayBinary Search
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