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3877 Full-Stack, Algorithms & System Design Interview Questions
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Top 21 Arrays Interview Questions  Arrays  21  
Top 8 Backtracking Interview Questions  Backtracking  8  
Top 22 Big-O Notation Interview Questions  Big-O Notation  22  
Top 26 Binary Tree Interview Questions  Binary Tree  26  
Top 12 Bit Manipulation Interview Questions  Bit Manipulation  12  
Top 42 Blockchain Interview Questions  Blockchain  42  
Top 61 Data Structures Interview Questions  Data Structures  61  
Top 6 Divide & Conquer Interview Questions  Divide & Conquer  6  
Top 12 Dynamic Programming Interview Questions  Dynamic Programming  12  
Top 14 Fibonacci Series Interview Questions  Fibonacci Series  14  
Top 19 Graph Theory Interview Questions  Graph Theory  19  
Top 7 Greedy Algorithms Interview Questions  Greedy Algorithms  7  
Top 31 Hash Tables Interview Questions  Hash Tables  31  
Top 12 Heaps and Maps Interview Questions  Heaps and Maps  12  
Top 43 Linked Lists Interview Questions  Linked Lists  43  
Top 14 Queues Interview Questions  Queues  14  
Top 9 Recursion Interview Questions  Recursion  9  
Top 24 Searching Interview Questions  Searching  24  
Top 26 Sorting Interview Questions  Sorting  26  
Top 25 Stacks Interview Questions  Stacks  25  
Top 25 Strings Interview Questions  Strings  25  
Top 32 Trees Interview Questions  Trees  32  
Top 8 Trie Interview Questions  Trie  8  
🤖 Having Machine Learning & DS Interview? Check  MLStack.Cafe - 1704 Data Science & ML Interview Questions & Answers!Having ML & DS Interview? Check 🤖 MLStack.Cafe - 1704 ML & DS Interview Questions and Answers

Top 25 Stacks Interview Questions

Entry Junior Mid Senior Expert
Topic Progress:
Theoretical Questions
Q1S5P:   

mdbokDefine Stackdeatsuj

  Related To: Data Structures
Add to PDF   Entry 
Q2hpgB:   

qzqxExplain why Stack is a recursive data structureorvn

  Related To: Data Structures
Add to PDF   Entry 
Q37xurM:   

oqcfjnWhy and when should I use Stack or Queue data structures instead of Arrays/Lists?gjodep

  Related To: Queues, Data Structures
Add to PDF   Junior 
Q4zQK:   

lamtohmHow to implement Linked List Using Stack?dpzaerw

  Related To: Linked Lists
Add to PDF   Junior 
Q56Xn:   

mftWhy Are Stacks Useful?zsrl

  
Add to PDF   Junior 
Q6R4j:   

pragxeExplain what are Infix, Prefix and Postfix Expressions?akbmwf

  
 Add to PDF   Mid 
Q74U4H:   

zruxyCompare Array based vs Linked List stack implementationsejpmlkm

  Related To: Arrays, Linked Lists
 Add to PDF   Mid 
Q8Qm8no:   

ebokhWhy do we need Prefix and Postfix notations?ofxk

  
 Add to PDF   Senior 
Q93ujO:   

kztudHow do I convert a Queue into the Stack?fdtju

  Related To: Queues
 Add to PDF   Senior 
Code Challenges
Q19xo:   

xkzfImplement Stack using Two Queues (with efficient hbscljpushhlecgij)jhuthu

 Java Related To: Queues
 Add to PDF   Junior 
Q2K5ji3:   

sgwImplement a Queue using two Stacksxvhldsm

 CSJSJavaPY Related To: Queues, Java, C#, JavaScript
 Add to PDF   Junior 
Q3sGpN:   

iglytWhat is complexity of iyqpushlkv and suvdulpopohxuxg for a Stack implemented using a LinkedList?itxayj

  Related To: Linked Lists, Big-O Notation
 Add to PDF   Junior 
Q4CbJ:   

bzrDesign a Stack that supports retrieving the min element in eahhgO(1)

 JavaPY Related To: Java
 Add to PDF   Junior 
Q50bC:   

bhjazciReverse a String using Stackichx

 Java Related To: Strings
 Add to PDF   Junior 
Q6UuQ1o:   

bquCheck if parentheses are balanced using Stackybjh

 JSJavaPY Related To: Java, Python, JavaScript
  Add to PDF   Mid 
Q71uD0g:   

kdsSort a Stack using another Stackwfdgfvy

 JavaPY Related To: Sorting
  Add to PDF   Mid 
Q876zu1:   

dpmmvmiSort a Stack using Recursionyjkofn

 JavaPY Related To: Sorting, Java
  Add to PDF   Mid 
Q9JMP:   

ukfFind duplicate parenthesis in expressionaqal

 Java 
  Add to PDF   Mid 
Q10hKv:   

piyrrtyHow reverse Stack without using any (extra) data structure?gmcnp

 JavaPY 
  Add to PDF   Mid 
Q11YGr:   

hzdtkhlImplement Double Linked List from Stack with min complexityamjqizk

 Java Related To: Linked Lists
  Add to PDF   Mid 
Q12ttGyU:   

jummshGiven an extremely large file that contains parenthesis, how would you say that the parenthesis are balanced?ulfohmd

 Java 
  Add to PDF   Senior 
Q13mTOJq:   

gkukqssHow to implement 3 vdzmgqdikStacksigjjlf with one lxgjhxmArrayeukyabdjvh?kbpm

  Related To: Arrays, Data Structures
  Add to PDF   Senior 
Q14hbL:   

wggrbrkBuild a Binary Expression Tree for this expressionnwjo

 Java Related To: Binary Tree, Java
  Add to PDF   Senior 
Q15BYXfz:   

mazHow implement a Queue using only One (1) Stack?ffdxyw

 Java Related To: Queues
  Add to PDF   Senior 
Q16oEIbH:   

onbdbxmHow to check for braces balance in a really large (1T) file in parallel?yxdvxp

  Related To: Brain Teasers
  Add to PDF   Expert 
 
Top 38 Rust Interview Questions  Rust  38  

Rust has been Stack Overflow’s most loved language for four years in a row and emerged as a compelling language choice for both backend and system developers, offering a unique combination of memory safety, performance, concurrency without Data races...

Top 18 Clean Architecture Interview Questions  Clean Architecture  18  

Clean Architecture provides a clear and modular structure for building software systems, separating business rules from implementation details. It promotes maintainability by allowing for easier updates and changes to specific components without affe...

Top 25 Azure Service Bus Interview Questions  Azure Service Bus  25  

Azure Service Bus is a crucial component for Azure cloud developers as it provides reliable and scalable messaging capabilities. It enables decoupled communication between different components of a distributed system, promoting flexibility and resili...

24 Cosmos DB Interview Questions (EXPLAINED) For Azure Developers
Cosmos DB has gained popularity among developers and organizations across various industries, including finance, e-commerce, gaming, IoT, and more. Follow along and learn the 24 most common and advanced Azure Cosmos DB interview questions and answers...
Top 46 Cosmos DB Interview Questions  Cosmos DB  46  
27 Advanced MongoDB Interview Questions (ANSWERED) For Experienced Developers
More than any other NoSQL database, and dramatically more than any relational database, MongoDB's document-oriented data model makes it exceptionally easy to add or change fields, among other things. It unlocks Iteration on the project. Iteration f...
Top 77 MongoDB Interview Questions  MongoDB  77  
24 Unit Testing Interview Questions (ANSWERED) For Software Developers
Unit Tests and Test Driven Development (TDD) help you really understand the design of the code you are working on. Instead of writing code to do something, you are starting by outlining all the conditions you are subjecting the code to and what outpu...
Top 29 Software Testing Interview Questions  Software Testing  29  
Top 24 Unit Testing Interview Questions  Unit Testing  24  
35 Domain-Driven Design Interview Questions (ANSWERED) for Software Devs and Architects
Domain-Driven Design is nothing magical but it is crucial to understand the importance of Ubiquitous Language, Domain Modeling, Context Mapping, extracting the Bounded Contexts correctly, designing efficient Aggregates and etc. before your next DDD p...
Top 38 DDD Interview Questions  DDD  38  
35 Azure Developer Interview Questions (ANSWERED) To Crack Your Cloud Interview
At its core, Microsoft Azure is a public cloud computing platform - with solutions including Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS) that can be used for services such as analytics, virtual c...
Top 59 Azure Interview Questions  Azure  59  
52 Node.js Interview Questions (ANSWERED) for JavaScript Developers
As an asynchronous event-driven JavaScript runtime, Node.js is designed to build scalable network applications. Follow along to refresh your knowledge and explore the 52 most frequently asked and advanced Node JS Interview Questions and Answers every...
Top 126 Node.js Interview Questions  Node.js  126  
21 Dependency Injection Interview Questions (ANSWERED) For Developers and Software Architects
Dependency Injection is most useful when you're aiming for code reuse, versatility and robustness to changes in your problem domain. DI is also useful for decoupling your system. DI also allows easier unit testing without having to hit a database and...
Top 17 Dependency Injection Interview Questions  Dependency Injection  17  
Top 68 Design Patterns Interview Questions  Design Patterns  68  
Top 90 Software Architecture Interview Questions  Software Architecture  90  

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