Browse LeetCode problems frequently asked by Fidelity. Filter by difficulty and timeframe to focus your interview prep.
Last updated: 20 Feb 2026
All Companies
1kosmos
6sense
Accelya
Accenture
Accolite
Acko
Acorns
Activision
Adobe
ADP
Aetion
Affinity
Affirm
Agoda
Airbnb
Airbus
Airtel
Airwallex
Akamai
Akuna Capital
Alibaba
Allincall
Alphonso
Alten
Altimetrik
Amadeus
Amazon
AMD
Amdocs
American Airlines
American Express
Amplitude
Analytics Quotient
Andela
Anduril
Anthropic
Anyscale
Aon
Apolloio
Appdynamics
Appfolio
Apple
Applied Intuition
Applovin
Aqr Capital Management Llc
Arcesium
Argo Ai
Arista Networks
Asana
Ascend
AT&T
Athenahealth
Atlassian
Attentive
Audible
Auriga
Aurora
Autodesk
Avalara
Avito
Axis Bank
Axon
Baidu
Bank Of America
Barclays
Bcg
Bending Spoons
Bitgo
Blackbuck
Blackrock
Blackstone
Blend
Blinkit
Bloomberg
Bloomreach
Blue Origin
BNP Paribas
BNY Mellon
Boeing
Bolt
Booking.com
Box
BP
Braze
Bridgewater Associates
Brillio
Broadcom
Browserstack
Bt Group
Buyhatke
Bytedance
C3.ai
Cadence
Canonical
Canva
Capgemini
Capital One
Careem
Cars24
Carwale
Cashfree
Caterpillar
Cerner
Chalo
Chargebee
Checkpoint
Chewy
Chime
Chubb
Ciena
Circle
Cisco
Citadel
Citi
Citrix
Clari
Cleartrip
Clevertap
Cloudera
Cloudflare
Clutter
Cme Group
Cockroach Labs
Code Studio
Cognizant
Cohesity
Coinbase
Coindcx
Coinswitch Kuber
Comcast
Commvault
Compass
Confluent
Couchbase
Coupa
Coupang
Coursera
Coveo
Cred
Credit Karma
Criteo
Crowdstrike
Cruise Automation
Ctc
Curefit
Cvent
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
Optum
Oracle
Oscar Health
Otterai
Oyo
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
Poshmark
Postman
Postmates
Poynt
Practo
Publicis Sapient
Pubmatic
Pure
Pure Storage
Purplle
Pwc
Qualcomm
Qualtrics
Qualys
Quantcast
Quantiphi
Quince
Quora
Rackspace
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
Modify the Matrix
EASY
100%
ArrayMatrix
Valid Palindrome
EASY
62.5%
Two PointersString
First Unique Character in a String
EASY
62.5%
Hash TableStringQueueCounting
Longest Common Prefix
EASY
62.5%
ArrayStringTrie
Need Help Solving These Problems?
CodingInterviewAI can instantly identify algorithms and generate optimal solutions for any LeetCode problem. Get step-by-step explanations and ace your next technical interview.
