10 Lessons
All Levels (Interview Ready)
★ 5.00
(5,200+ Engineers Enrolled)
Data Structures & Algorithms: Blind 75 & Big Tech Interview Prep
Big-O Analysis, Two Pointers, Trees, Graphs, Dynamic Programming & Backtracking
⏱️ 60 Hours
📖 8 Modules
⚡ 30 Interactive Lessons
🏆 Free Verified Certificate
Complete Track Curriculum & Modules
Step-by-step interactive lessons with live browser compilers & coding assignments.
30 Lessons
1
4 Lessons
Module 1: Big-O Asymptotics, Arrays & Sliding Window
01. Time & Space Complexity Masterclass: Big-O, Big-Theta, Big-Omega & Amortized Analysis
⏱️ 40 mins
•
⚡ Interactive Sandbox
02. Arrays & Hashing: Two Sum, Contains Duplicate & Valid Anagram (Hash Table Lookups)
⏱️ 40 mins
•
⚡ Interactive Sandbox
03. Prefix Sum & Kadane's Algorithm (Maximum Subarray Problem in O(N))
⏱️ 40 mins
•
⚡ Interactive Sandbox
04. Sliding Window Pattern: Fixed vs Dynamic Windows (Best Time to Buy/Sell Stock)
⏱️ 45 mins
•
⚡ Interactive Sandbox
2
3 Lessons
Module 2: Two Pointers & Binary Search Systems
05. Two Pointers Pattern: Valid Palindrome, 3Sum & Container With Most Water
⏱️ 45 mins
•
⚡ Interactive Sandbox
06. Binary Search Foundations: Search in Rotated Sorted Array & Find Minimum
⏱️ 45 mins
•
⚡ Interactive Sandbox
07. Binary Search on Answer Space: Koko Eating Bananas & Capacity to Ship Packages
⏱️ 50 mins
•
⚡ Interactive Sandbox
3
3 Lessons
Module 3: Linked Lists & Fast-Slow Pointer Patterns
08. Singly vs Doubly Linked Lists & In-Place Pointer Manipulation (Reverse Linked List)
⏱️ 40 mins
•
⚡ Interactive Sandbox
09. Fast & Slow Pointer (Floyd's Cycle Detection): Linked List Cycle & Middle Node
⏱️ 40 mins
•
⚡ Interactive Sandbox
10. Merging & Reordering: Merge Two Sorted Lists, Reorder List & Remove Nth Node
⏱️ 45 mins
•
⚡ Interactive Sandbox
4
3 Lessons
Module 4: Stacks, Queues & Monotonic Stack Architecture
11. Stack Fundamentals: Valid Parentheses & Min Stack in O(1) Time
⏱️ 35 mins
•
⚡ Interactive Sandbox
12. Monotonic Stack Pattern: Daily Temperatures & Next Greater Element
⏱️ 45 mins
•
⚡ Interactive Sandbox
13. Hard Stack Coding: Largest Rectangle in Histogram & Trapping Rain Water
⏱️ 55 mins
•
⚡ Interactive Sandbox
5
4 Lessons
Module 5: Trees, Binary Search Trees & DFS/BFS Traversals
14. Binary Tree Architecture: Max Depth, Same Tree & Invert Binary Tree
⏱️ 40 mins
•
⚡ Interactive Sandbox
15. BFS Level-Order Traversal & Binary Tree Right Side View
⏱️ 45 mins
•
⚡ Interactive Sandbox
16. Binary Search Tree (BST) Properties: Validate BST & Lowest Common Ancestor (LCA)
⏱️ 45 mins
•
⚡ Interactive Sandbox
17. Tree Path Sums & Serialize / Deserialize Binary Tree (Hard)
⏱️ 50 mins
•
⚡ Interactive Sandbox
6
3 Lessons
Module 6: Heaps, Priority Queues & Top-K Problems
18. Min Heap & Max Heap Internals: Array Representation & Heapify in O(N)
⏱️ 45 mins
•
⚡ Interactive Sandbox
19. Top-K Elements Pattern: Kth Largest Element in an Array & Top K Frequent Elements
⏱️ 45 mins
•
⚡ Interactive Sandbox
20. Two-Heap Pattern: Find Median from Data Stream (Hard)
⏱️ 50 mins
•
⚡ Interactive Sandbox
7
4 Lessons
Module 7: Graphs, Topological Sort & Shortest Paths (Dijkstra)
21. Graph Representations (Adjacency Matrix vs List) & DFS/BFS Traversal
⏱️ 45 mins
•
⚡ Interactive Sandbox
22. Matrix Graph Traversal: Number of Islands, Max Area of Island & Clone Graph
⏱️ 50 mins
•
⚡ Interactive Sandbox
23. Topological Sort (Kahn's Algorithm): Course Schedule I & II (Cycle Detection)
⏱️ 50 mins
•
⚡ Interactive Sandbox
24. Disjoint Set Union (DSU / Union-Find): Redundant Connection & Number of Connected Components
⏱️ 50 mins
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⚡ Interactive Sandbox
8
6 Lessons
Module 8: Dynamic Programming, Backtracking & Bit Manipulation
25. Backtracking Pattern: Subsets, Permutations, Combination Sum & Word Search
⏱️ 50 mins
•
⚡ Interactive Sandbox
26. 1D Dynamic Programming: Climbing Stairs, House Robber & Coin Change
⏱️ 50 mins
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⚡ Interactive Sandbox
27. Longest Increasing Subsequence (LIS): O(N^2) DP vs O(N log N) Patience Sort
⏱️ 50 mins
•
⚡ Interactive Sandbox
28. 2D Dynamic Programming: Unique Paths, Longest Common Subsequence (LCS) & Edit Distance
⏱️ 55 mins
•
⚡ Interactive Sandbox
29. 0/1 Knapsack Pattern & Partition Equal Subset Sum
⏱️ 50 mins
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⚡ Interactive Sandbox
30. Bit Manipulation Tricks: Number of 1 Bits (Hamming Weight), Counting Bits & Missing Number
⏱️ 40 mins
•
⚡ Interactive Sandbox
Target Big Tech Roles
Google / Meta SDE-2
Senior Full-Stack Architect
Lead Backend Engineer
Skills You Will Master
- Production-Grade Clean Architecture
- V8 Internals, Memory Profiling & Leaks
- Time & Space Complexity Optimization
- Big Tech Behavioral & System Design Edge
Verified Digital Certificate
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⚡
Live Interactive Sandbox
Test real-time code without installing Node, Python or C++ locally. Instant output in browser!
Launch Code Sandbox (8-in-1)