Latest
Topics
Tags
News
Jobs
Tutorials
Forum
Join Us
Community
Problems
New Post
AlgoPath
Events
Log In
New Post
AlgoPath
Events
Latest
News
Jobs
Tutorials
Forum
Tags
Planet
Users
Log In
Sign Up
Hashmap Interview Questions & Experiences
REGISTER NOW
Register Now
Request Recent Questions Now!
AlgoPath
A focused prep platform from AlgoUniversity for students who want a clearer path to interview readiness.
Visit AlgoPath
Limit to: all time
all time
today
this week
this month
this year
100 results • Page
2 of 3
Sort by: Default
Default
Post Creation date
Recent Activity
Views
Votes
Replies
Showing :
hashmap
•
reset
0
Votes
1
Reply
1
View
Atlassian OA (2025) | Ranked Choice Voting & Halving Technical Debt
0 Votes | 1 Reply
PriorityQueue
Greedy
HashMap
OA
Atlassian
4 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
1
View
IBM Associate Software Engineer OA 2026 | Maximum Balanced Subarray & Detect Unstable Processes
0 Votes | 1 Reply
Greedy
IBM
HashMap
Arrays
OA
4 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
1
View
Coforge Online Assessment 2025 | Logistics Fleet Shipment Continuity & Cloud Database String Compaction
0 Votes | 1 Reply
Strings
Coforge
HashMap
OA
PrefixSum
4 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
1
View
Infosys SP / DSE OA 2025 | Subarray Sum Equals K & Container With Most Water
0 Votes | 1 Reply
Infosys
HashMap
Arrays
OA
PrefixSum
4 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
2
Views
GRAB Hiring Challenge | Off-Campus OA (2022) | Minimum Rounds to Complete All Tasks
0 Votes | 1 Reply
hashmap
grab
arrays
greedy
5 weeks ago
Padala Indira Bhavani
• 0
0
Votes
1
Reply
2
Views
CERNER (ORACLE HEALTH) | On Campus OA (2021) Problem Count Largest Group
0 Votes | 1 Reply
2021
hashmap
math
cerner
on-campus
5 weeks ago
Padala Indira Bhavani
• 0
0
Votes
1
Reply
1
View
Grab Associate Developer Interview Question 2025 January | Sliding Window | on-campus
0 Votes | 1 Reply
sliding-window
hashmap
strings
grab
5 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
1
View
Lyft SWE Interview Question 2023 August | Graphs | on-campus
0 Votes | 1 Reply
hashmap
lyft
swe
bfs
5 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
2
Views
Spotify Off Campus Hiring | LFU Cache Problem Using Hashmap and doubly LinkedList
0 Votes | 1 Reply
spotify
hashmap
doublylinkedlist
lfucache
5 weeks ago
Padala Indira Bhavani
• 0
0
Votes
1
Reply
2
Views
Discover Financial Services Hiring | Count Subarrays With Median K | off campus 2024
0 Votes | 1 Reply
hashmap
2024
Discoverfinancialservices
array
5 weeks ago
Padala Indira Bhavani
• 0
0
Votes
1
Reply
2
Views
ServiceNow Hiring | Maximum Sum of Distinct Subarrays With Length K | on campus online assessment question 2024
0 Votes | 1 Reply
hashmap
servicenow
2024
arrays
slidingwindow
5 weeks ago
Padala Indira Bhavani
• 0
0
Votes
1
Reply
3
Views
Splunk Hiring challenge| off campus online assessment question | Decode the Message | 2024
0 Votes | 1 Reply
hashmap
2024
string
splunk
5 weeks ago
Padala Indira Bhavani
• 0
0
Votes
1
Reply
1
View
Capgemini OA Off-Campus | Corporate Relational Data Pivot & Cloud Logistics Inventory Cluster Grouping
0 Votes | 1 Reply
Matrix
OA
Capgemini
HashMap
Anagrams
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
1
View
Sonata Software Online Assessment | Longest Subarray With Sum K & Container With Most Water
0 Votes | 1 Reply
SlidingWindow
Sonata
HashMap
OA
PrefixSum
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
1
View
Cyient Online Assessment | Number of Islands & Top K Frequent Elements | Off-Campus
0 Votes | 1 Reply
Matrix
Graphs
Cyient
HashMap
OA
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
1
View
Infosys Associate Developer Interview Question 2024 August | Strings and Hashing | on-campus
0 Votes | 1 Reply
hashmap
strings
sorting
infosys
5 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
1
View
Flipkart Associate Developer Interview Question 2025 March | Heaps and Bucket Sort | on-campus
0 Votes | 1 Reply
bucket-sort
hashmap
heap
2025
flipkart
5 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
1
View
Hexaware Technologies OA | Subarray Sum Equals K & Valid Anagram Check
0 Votes | 1 Reply
HashMap
Hexaware
Arrays
OA
PrefixSum
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
3
Views
InMobi SDE-1 OA | Connected Components in Graph & Group Anagrams
0 Votes | 1 Reply
Graphs
HashMap
BFS
OA
InMobi
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
2
Views
HUAWEI TECHNOLOGIES Hiring | On Campus OA (2024) | Encode and Decode TinyURL
0 Votes | 1 Reply
stringfunctions
hashmap
oa
huaweitechnologies
5 weeks ago
Padala Indira Bhavani
• 0
0
Votes
1
Reply
2
Views
Bloomberg OA 2023 | Time Based Key Value Store | Java Solution | Binary Search Design
0 Votes | 1 Reply
binarysearch
2023
hashmap
bloomberg
oa
5 weeks ago
Padala Indira Bhavani
• 0
0
Votes
1
Reply
1
View
Stripe SDE Interview Question 2025 January | Sliding Window | on-campus
0 Votes | 1 Reply
hashmap
strings
stripe
sde1
5 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
1
View
Confluent OA 2025 | Message Deduplication, Sliding Window & Stack Validation
0 Votes | 1 Reply
HashMap
String
Stack
Confluent
Queue
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
1
View
Paylocity OA 2025 | Telemetry Data Window Cleansing & Cloud Infrastructure Resource Clusters
0 Votes | 1 Reply
SlidingWindow
HashMap
Paylocity
OA
Graph
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
1
View
Salesforce OA 2025 | Maximize Content Delivery Network Revenue & Group Anagrams from Cloud Log Files
0 Votes | 1 Reply
OA
DP
HashMap
Salesforce
Anagrams
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
1
View
Roku SDE Interview Question 2021 October | Sliding Window | on-campus
0 Votes | 1 Reply
roku
sliding-window
hashmap
arrays
5 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
1
View
Spotify SDE Interview Question 2024 May | Object-Oriented Design & Tries | Off-campus
0 Votes | 1 Reply
spotify
hashmap
tries
off-campus
5 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
1
View
Morgan Stanley OA 2026 | Secure Sliding Windows & Nodes at Distance K in Binary Tree
0 Votes | 1 Reply
SlidingWindow
MorganStanley
HashMap
BFS
Tree
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
2
Views
BENTLEY SYSTEMS Hiring | Off Campus OA (2023) | Longest Arithmetic Subsequence
0 Votes | 1 Reply
hashmap
Bentley
arrays
2023
5 weeks ago
Padala Indira Bhavani
• 0
0
Votes
1
Reply
1
View
Akamai SDE Interview Question 2021 November | Sliding Window & HashMap | Off-Campus
0 Votes | 1 Reply
hashmap
akamai
strings
2-pointers
5 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
1
View
CGI Hiring Drive 2026 | Longest Unique Substring & Binary Array Transition Point
0 Votes | 1 Reply
CGI
SlidingWindow
Strings
Arrays
HashMap
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
1
View
DXC Technology SHL OA 2026 | Maximum Length Target Sum Subarray & Array Inversion Count
0 Votes | 1 Reply
MergeSort
Arrays
DXC
HashMap
PrefixSum
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
1
View
Hexaware PCH Hiring Drive 2026 | Diagonal Difference Matrix Analysis & First Non-Repeating Array Element
0 Votes | 1 Reply
OA
Hexaware
Arrays
Matrices
HashMap
5 weeks ago
Sahil Jain
• 0
0
Votes
1
Reply
2
Views
ERICSSON On Campus OA 2022 | Number of Subarrays With Sum Equals K (Exact) | Prefix Sum and HashMap
0 Votes | 1 Reply
oa
hashmap
ericsson
subarrays
5 weeks ago
Padala Indira Bhavani
• 0
0
Votes
1
Reply
1
View
Stripe SDE Interview Question 2022 February | System Design (OOD & Heaps) | On-campus
0 Votes | 1 Reply
hashmap
heaps
stripe
oops
6 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
1
View
Palantir SDE Interview Question 2023 February| System Design (O(1) Data Structures) | On-campus
0 Votes | 1 Reply
palantir
hashmap
lfu-cache
DLL
6 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
1
View
Oracle SDE Interview Question 2021 April | System Design (O(1) Data Structures) | On-campus
0 Votes | 1 Reply
hashmap
math
oracle
arrays
on-campus
6 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
1
View
Thoughtworks SDE Interview Question 2022 September | Advanced Sliding Window | Off-campus
0 Votes | 1 Reply
slidingwindow
hashmap
strings
thoughtworks
6 weeks ago
Pravardhan Aare
• 0
0
Votes
1
Reply
4
Views
GROWW SDE1 OA (2023) | Custom HashMap Design Using Separate Chaining
0 Votes | 1 Reply
groww
hashmap
sde1
2023
6 weeks ago
Padala Indira Bhavani
• 0
0
Votes
1
Reply
2
Views
RAZORPAY SDE-1 OA (2022) | Prefix Sum Optimization and Computational Geometry Based Interview Problems
0 Votes | 1 Reply
sde1
razorepay
dsa
hashmap
off-campus
6 weeks ago
Padala Indira Bhavani
• 0
100 results • Page
2 of 3
Request Recent Questions Now!
Filter Posts by Company
Amazon
109
Oracle
54
Google
53
Uber
39
Flipkart
31
Microsoft
31
GoldmanSachs
30
Cisco
29
Sprinklr
26
Walmart
25
Atlassian
24
IBM
23
Infosys
22
deshaw
21
Intuit
21
PhonePe
20
Salesforce
20
VISA
19
media.net
18
Adobe
17
Cred
17
BNY-Mellon
16
PayPal
16
Paytm
16
Airtel
15
CodeNation
15
Razorpay
15
ByteDance
14
Zomato
14
ZScaler
14
DBOI
13
Linkedin
13
Accenture
12
Nvidia
12
Swiggy
12
TCS
12
Capgemini
11
Publicis-Sapient
11
Samsung
11
ServiceNow
11
wipro
11
Barclays
10
Meesho
10
Sigmoid
10
Amadeus
9
Cognizant
9
HCL
9
Hexaware
9
Confluent
8
Persistent
8
Rubrik
8
arcesium
7
Deloitte
7
Increff
7
Juspay
7
Mastercard
7
Morgan-Stanley
7
Qualcomm
7
saplabs
7
standard-chartered
7
Tredence
7
curefit
6
GEDigital
6
HSBC
6
LTI
6
makemytrip
6
Navi
6
Siemens
6
thoughtspot
6
TVS
6
AMD
5
American-Express
5
Apollo
5
Citadel
5
CITI
5
Directi
5
Goldman-Sachs
5
graviton
5
Jaguar
5
Jio
5
JP-Morgan
5
Juniper
5
Tiktok
5
uipath
5
Wells-Fargo
5
Alphagrep
4
AQR
4
Avalara
4
Blackrock
4
Hilabs
4
Nagarro
4
Optum
4
Rippling
4
Slice
4
Tekion
4
Zepto
4
Appdynamics
3
British-Telecom
3
CapitalOne
3
Contlo
3
Hugosave
3
Intel
3
Mathworks
3
Mercari
3
OYO
3
Piramal
3
ringcentral
3
Trilogy-Innovations
3
urbancompany
3
Veritas
3
Virtusa
3
Air-India
2
Arzoo
2
BP
2
Celigo
2
Chalo
2
Chargebee
2
darwinbox
2
Dassault-Systems
2
DevRev
2
DXC-Technology
2
Edfora
2
Edgeverve
2
Gameskraft
2
Irage
2
MAQ-Software
2
MotorQ
2
Palo-Alto-Networks
2
Rakuten
2
relevel
2
Schrodinger
2
shopconnect
2
Tiger-Analytics
2
USTD3
2
Wissen-Technology
2
Audify-Tech
1
Bhanzu
1
Cogoport
1
colortokens
1
Credit-Suisse
1
Dpworld
1
Factset
1
Hitachi
1
Kickdrum
1
Morphel
1
Natwest
1
Niro-Money
1
Notion
1
Observe.ai
1
Pine-Labs
1
Prograd
1
QuantBox
1
Societe-Generale
1
Tech-Mahindra
1
Tibra
1
Toshiba
1
Trianz-Digital
1
Truminds
1
Webstaff
1
Winzo
1
Bank-of-America
0
Flexcar
0
Hudson-River-Trading
0
Medianet
0
Mentor-Graphics
0
Newfold - Digital
0
Qburst
0
Steradian-Semiconductors
0
Recent Replies
Answer: Uber, Recently asked On-Campus OAs in IIT-D on 30th October, 2022
by
Karthik
• 0
Question 1- Solution: we can see the problem as a graph problem. assume initially there are n components (n students) and after ea…
Answer: ROLLS-ROYCE Hiring Challenge | Online Interview Question | Off-Campus OA (2024)
by
Padala Indira Bhavani
• 0
Approach Use a TreeMap to store each employee's total working time. Traverse every event. Compute the duration as: dur…
Answer: PRATT and WHITNEY Hiring Challenge | Online Assessment Question | On-Campus(2023
by
Padala Indira Bhavani
• 0
Approach Traverse every element in arr1. Compare it with every element in arr2. If any difference is less than or equal to d, mark it …
Answer: GENERAL ELECTRIC AVIATION | Off-Campus | Online Assessment(2023)
by
Padala Indira Bhavani
• 0
Approach Compare the least significant bit of a, b, and c. If the current bit of c is: 1: At least one of a or b must have a …
Answer: LEONARDO DRS Hiring | Online Assessment Interview Question | On-Campus(2023)
by
Padala Indira Bhavani
• 0
Approach If the number of cables is less than n - 1, it is impossible to connect all computers. Initialize each computer as its own…
Answer: L3HARRIS TECHNOLOGIES | Online Interview Question | Off-Campus OA(2023)
by
Padala Indira Bhavani
• 0
Approach Build an adjacency list from the given edges. Store all restricted nodes in a HashSet. Perform DFS (or BFS) starting fro…
Answer: GENERAL DYNAMICS Hiring | Online Interview Question | On-Campus OA (2022)
by
Padala Indira Bhavani
• 0
Approach Count the number of islands in the original grid. If the grid is already disconnected (0 or more than 1 island), return 0.…
Answer: RAYTHEON TECHNOLOGIES | Interview Question | Off-Campus (2022)
by
Padala Indira Bhavani
• 0
Approach Traverse the balloons from left to right. Whenever consecutive balloons have the same color: Keep the balloon with t…
Answer: BAE SYSTEMS Hiring | On-Campus OA (2022) | Path Crossing
by
Padala Indira Bhavani
• 0
Approach Start at coordinate (0,0). Store every visited position in a HashSet. Process each movement: N → y++ S &ra…
Answer: NORTHROP GRUMMAN | Off-Campus OA (2022) | Reduce Array Size to The Half
by
Padala Indira Bhavani
• 0
Approach Count the frequency of every element using a HashMap. Store all frequencies in a list. Sort the frequencies in descendin…
Answer: LOCKHEED MARTIN Hiring Challenge | Interview Online Assessment Question
by
Padala Indira Bhavani
• 0
Approach Sort the pairs based on their ending values. Always choose the pair that ends first. Greedily select the next pair whose…
Answer: BOEING Hiring Question | Number of Provinces | On-Campus OA (2021) Number of Pr
by
Padala Indira Bhavani
• 0
Approach Initially, every city is its own province. Use Disjoint Set Union (Union-Find) to merge connected cities. Whenever two d…
Answer: 4. ABB INDIA Hiring | Off-Campus OA (2025) | Count Symmetric Integers
by
Padala Indira Bhavani
• 0
Approach Traverse every number from low to high. Ignore numbers with an odd number of digits. Split the digits into two halves. …
Answer: LEGRAND Hiring | Campus Interview Question | On-Campus OA (2025)
by
Padala Indira Bhavani
• 0
Approach The string is valid if it never contains the substring "ba". If "ba" exists, then an 'a' appea…
Answer: YOKOGAWA Hiring Challenge | Online Assessment Question | Off-Campus (2025)
by
Padala Indira Bhavani
• 0
Approach Always increment the smallest element to maximize the final product. Store all elements in a Min Heap. Repeat k times: …
Land on Leaderboard & Claim your Hamper
Start Solving Problems Now
All Problems
Top Problem Solvers
Claim your TJO hamper 🎁
Loading...
This Month
Recent Votes
Uber OA (on campus) | 6 Month Intern
Cisco , Online Assessment | FY 2024 , Cisco Day | Happy Number | Two N*N Matrices | 3rd August 2023
Answer: Walmart, 29th October, Recently asked Online Assessments and On-Campus Questions
How to get Premium access?
Tensor School of CS and AI - Interview Experience (In-Person, Hyderabad)
AlgoUniversity Technology Fellowship: Stage 2 || Important Questions
Flipkart | October, 2022 | Interview Questions
TCS | Online Assessments | Deleting Channel
MediaNet, Recently Asked Online Assessments in October, 2022 | Omega Primes | Fruits on Tree | Damaged Roads
Tensor School of CS and AI - Interview Experience (In-Person, Hyderabad)
Recent Locations
Raipur,
5 minutes ago
New York,
1 hour ago
Nadim Tiruvuru,
1 hour ago
Lucknow,
2 hours ago
Indore,
3 hours ago
Recent Awards
• All
Centurion
to
Sahil Jain
• 0
Centurion
to
Padala Indira Bhavani
• 0
Centurion
to
Pravardhan Aare
• 0
Rising Star
to
Sahil Jain
• 0
Rising Star
to
Padala Indira Bhavani
• 0
Rising Star
to
Pravardhan Aare
• 0
Appreciated
to
Ayush Gangwani
1.3k
Great Question
to
papa
430
Teacher
to
Apna_time _aayega
• 60
Great Question
to
admin
1.9k
1