Deep Dive
DSA Patterns
A practical, hands-on series exploring common Data Structures and Algorithms (DSA) patterns. Learn to recognize pattern-problem relationships, uncover hidden connections, and apply these strategies systematically in interviews and real-world projects.
30 articles
26 quizzes
~301 min total
DSAInterview PrepAlgorithmsData StructuresProblem SolvingCoding Patterns
Articles in this Series(showing 24 of 30)
1D DP2D DPActivity SelectionAlgorithmsBFSBacktrackingBinary SearchBinary TreeCalculatorCoding PatternsCombinationsConflict DetectionConnected ComponentsDAGDFSDSAData StructuresDependency ResolutionDivide & ConquerDummy NodeDynamic ProgrammingExpression EvaluationFast & Slow PointersFrequency CountingGraph AlgorithmsGraph TraversalsGreedyGridHashmapHeapIn-Place ReversalInfixInorderIntervalsInterview PrepKahn AlgorithmKnapsackKth ElementLevel OrderLinked ListLinked ListsMatrixMax-HeapMerge IntervalsMin-HeapMonotonic QueueMonotonic StackN-QueensOptimizationPath SumPathfindingPatternsPermutationsPostfixPostorderPrefixPrefix SumPreorderProblem SolvingQueuesQuickSelectRange DPRecursionRecursive SearchRoot-to-LeafSchedulingSliding WindowSortingStacksSudokuTask SchedulingTop-KTopological SortTree AlgorithmsTree PathsTree TraversalsTutorialTwo Pointers
1
Deep Dive
Introduction to DSA Coding Patterns Series
A practical, hands-on series exploring common Data Structures and Algorithms (DSA) patterns. Learn to recognize pattern-problem relationships, uncover hidden connections, and apply these strategies systematically in interviews and real-world projects.
Oct 24, 202512 min read
TutorialDSAPatterns
2
QuizDeep Dive
Two Pointers Pattern
Master the Two Pointers pattern to efficiently solve problems involving sorted arrays, palindrome checks, and duplicate removal. Understand linear traversal, pointer logic, and how to combine this pattern with Sliding Window or Prefix Sum for optimal solutions.
Nov 3, 202510 min read
DSACoding PatternsTwo PointersAlgorithms+3
3
QuizDeep Dive
Fast & Slow Pointers (Tortoise and Hare)
Use Fast & Slow Pointers to detect cycles, find mid-points, and identify repeated sequences in linked lists, arrays, and strings without extra memory. Essential for understanding linked structures and optimizing traversal-based algorithms.
Nov 15, 202511 min read
DSACoding PatternsFast & Slow PointersAlgorithms+3
4
QuizDeep Dive
Sliding Window Pattern
Learn to efficiently analyze sequences with Sliding Window. Compute running sums, track maximum/minimum values, and handle unique elements in fixed or variable-sized windows across arrays, strings, and time-series data.
Nov 26, 202510 min read
DSACoding PatternsSliding WindowAlgorithms+3
5
QuizDeep Dive
Prefix Sum Pattern
Master Prefix Sum to compute range sums, detect cumulative patterns, and optimize repeated calculations in arrays, 2D grids, and sequences. Critical for fast query and dynamic programming problems.
Dec 7, 202510 min read
DSACoding PatternsPrefix SumAlgorithms+3
6
QuizDeep Dive
Monotonic Stack / Queue Pattern
Use Monotonic Stack and Queue to efficiently solve next greater/smaller element problems, sliding window extremes, and histogram area calculations with linear complexity.
Dec 19, 202511 min read
DSACoding PatternsMonotonic StackMonotonic Queue+4