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Only Data Structures & Algorithms lessons and questions
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Technologies1
Data Structures & Algorithms
75 lessonsLearn the patterns behind interview problems, then implement them in JavaScript, Java, C#/.NET, or Python.
Lessons12
JavaScript DSA basics
2 min · FoundationCommon JavaScript structures
JavaScript interview-friendly practice list
2 min · AdvancedTwo Sum
Arrays and strings in JavaScript
2 min · FoundationCommon questions
Hashing and maps in JavaScript
2 min · FoundationWhy it matters
Linked list in JavaScript
2 min · FoundationNode structure
Stack and queue in JavaScript
2 min · IntermediateStack using array
Recursion and backtracking in JavaScript
2 min · IntermediateCommon questions
Trees and BST in JavaScript
2 min · IntermediateTree node
Heap and priority queue in JavaScript
2 min · IntermediateCustom min-heap
Graphs in JavaScript
2 min · IntermediateGraph representation
Dynamic programming in JavaScript
2 min · IntermediateCommon questions
Greedy and binary search in JavaScript
2 min · IntermediateCommon greedy questions
Interview questions12
JavaScript DSA basics
Data Structures & AlgorithmsCommon JavaScript structures
JavaScript interview-friendly practice list
Data Structures & AlgorithmsTwo Sum
Arrays and strings in JavaScript
Data Structures & AlgorithmsCommon questions
Hashing and maps in JavaScript
Data Structures & AlgorithmsWhy it matters
Linked list in JavaScript
Data Structures & AlgorithmsNode structure
Stack and queue in JavaScript
Data Structures & AlgorithmsStack using array
Recursion and backtracking in JavaScript
Data Structures & AlgorithmsCommon questions
Trees and BST in JavaScript
Data Structures & AlgorithmsTree node
Heap and priority queue in JavaScript
Data Structures & AlgorithmsCustom min-heap
Graphs in JavaScript
Data Structures & AlgorithmsGraph representation
Dynamic programming in JavaScript
Data Structures & AlgorithmsCommon questions
Greedy and binary search in JavaScript
Data Structures & AlgorithmsCommon greedy questions
Modules1
JavaScript implementations
14 lessonsData Structures & Algorithms learning module