Data Structures and Algorithms in C#

Foundations

1 Introduction to Data Structures 8 min 2 Introduction to Algorithms 8 min 3 Big O Time Complexity 8 min 4 Space Complexity 8 min 5 Analyzing Loops in C# 8 min 6 Recursion Basics 8 min 7 Recursion vs Iteration 8 min 8 Stack and Heap Memory 8 min 9 Measuring Performance in C# 8 min 10 AlgoVerse Practice Habits 8 min

Arrays and Strings

11 Arrays in C# 8 min 12 List<T> Dynamic Arrays 8 min 13 Multidimensional Arrays 8 min 14 Jagged Arrays 8 min 15 String and StringBuilder 8 min 16 Sliding Window Pattern 8 min 17 Two Pointers Pattern 8 min 18 Prefix Sums 8 min 19 Kadane's Maximum Subarray 8 min 20 In-Place Array Tricks 8 min

Linked Lists

21 Singly Linked List 8 min 22 Doubly Linked List 8 min 23 Circular Linked List 8 min 24 Reverse a Linked List 8 min 25 Detect a Cycle 8 min 26 Merge Two Sorted Lists 8 min 27 Fast and Slow Pointers 8 min 28 Remove Nth Node From End 8 min 29 LRU Cache Design 8 min 30 When Linked Lists Win 8 min

Stacks and Queues

31 Stack with Stack<T> 8 min 32 Queue with Queue<T> 8 min 33 Circular Queue Idea 8 min 34 PriorityQueue in .NET 8 min 35 Monotonic Stack 8 min 36 Deque Patterns 8 min 37 Evaluate Expressions 8 min 38 Undo Redo with Stacks 8 min 39 BFS Queue Warm-Up 8 min 40 Scheduling with Queues 8 min

Hashing

41 Hash Tables Concepts 8 min 42 Dictionary<TKey,TValue> 8 min 43 HashSet<T> 8 min 44 Hash Codes and Equality 8 min 45 Collision Strategies 8 min 46 Frequency Maps 8 min 47 Two Sum with Dictionary 8 min 48 Anagram Grouping 8 min 49 Caching Lookups 8 min 50 Hashing Interview Checklist 8 min

Trees

51 Binary Tree Basics 8 min 52 Binary Search Tree 8 min 53 Tree Traversals 8 min 54 BFS Level Order 8 min 55 Heap and Priority Queue 8 min 56 Trie Prefix Tree 8 min 57 AVL Tree Idea 8 min 58 Segment Tree Idea 8 min 59 Fenwick Tree Idea 8 min 60 Tree Problem Patterns 8 min

Graphs

61 Graph Representations 8 min 62 BFS on Graphs 8 min 63 DFS on Graphs 8 min 64 Dijkstra's Shortest Path 8 min 65 Bellman-Ford 8 min 66 Floyd-Warshall 8 min 67 Minimum Spanning Tree 8 min 68 Topological Sort 8 min 69 Detect Cycle in Graph 8 min 70 Graph Modeling Tips 8 min

Sorting and Searching

71 Bubble and Selection Sort 8 min 72 Insertion Sort 8 min 73 Merge Sort 8 min 74 Quick Sort 8 min 75 Heap Sort 8 min 76 Counting Sort 8 min 77 Radix Sort 8 min 78 Binary Search 8 min 79 Binary Search on Answer 8 min 80 Sorting Library vs Hand-Rolled 8 min

Dynamic Programming

81 Dynamic Programming Intro 8 min 82 Memoization in C# 8 min 83 Tabulation Bottom-Up 8 min 84 0/1 Knapsack 8 min 85 Longest Common Subsequence 8 min 86 Coin Change 8 min 87 House Robber Style DP 8 min 88 Grid Path DP 8 min 89 String DP Patterns 8 min 90 DP State Design Checklist 8 min

Greedy and Backtracking

91 Greedy Choice Property 8 min 92 Activity Selection 8 min 93 Huffman Coding Idea 8 min 94 Interval Scheduling 8 min 95 N-Queens Backtracking 8 min 96 Sudoku Solver Sketch 8 min 97 Permutations Generation 8 min 98 Subsets Generation 8 min 99 Branch and Bound Idea 8 min 100 Choose Greedy vs DP 8 min

Advanced Topics

101 Bit Manipulation Basics 8 min 102 Divide and Conquer Recap 8 min 103 KMP String Matching 8 min 104 Rabin-Karp 8 min 105 Boyer-Moore Idea 8 min 106 Bloom Filter Idea 8 min 107 Union-Find Disjoint Set 8 min 108 Top-K with Heaps 8 min 109 Sliding Window Maximum 8 min 110 Interview Complexity Table 8 min

Projects

111 Mini Search Autocomplete 8 min 112 Transaction Anomaly Scanner 8 min 113 Route Planner Graph Project 8 min 114 Chat Rate Limiter 8 min 115 Recommendation Top-K Project 8 min 116 Inventory Low-Stock Tracker 8 min 117 Social Feed Ranking Sketch 8 min 118 Stock Spike Detector 8 min 119 Fraud Rule Engine Sketch 8 min 120 AlgoVerse Capstone Drills 8 min