Mastering DSA
An international-standard DSA mastery course for software engineers: cost models, real-world data structures, algorithmic patterns, and strict module assessments that move your SkillSkore.
Lessons
48
Modules
12
Time
41h
Score
100
Beginner Verified
Score 0-35
Module 01 · Score 0-6
Engineering Cost Models
Build the mental model for cost, growth, constraints, and real-world trade-offs.
Module 02 · Score 7-14
Arrays and Strings
Master indexed data, sequence operations, string processing, and mutation costs.
Module 03 · Score 15-22
Linear Patterns
Recognize and implement two pointers, sliding windows, prefix sums, and range updates.
Module 04 · Score 23-29
Hashing
Use maps and sets for lookup, membership, frequency, deduplication, and memory-aware trade-offs.
Module 05 · Score 30-35
Stack, Queue, and Recursion
Understand execution order, buffering, recursive call stacks, and backtracking search.
Intermediate Verified
Score 36-60
Module 01 · Score 36-41
Linked Lists and Pointer Thinking
Master reference-based structures, cycle detection, reversal, and mutation safety.
Module 02 · Score 42-48
Binary Search and Sorting
Design search spaces, sorting decisions, and selection strategies under constraints.
Module 03 · Score 49-55
Trees
Model hierarchy, traversal, binary trees, BSTs, heaps, and priority queues.
Module 04 · Score 56-60
Graphs
Model relationships, BFS, DFS, shortest paths, dependencies, and reachability.
Advanced Verified
Score 61-100
Module 01 · Score 61-73
Dynamic Programming
Design state, transitions, memoization, tabulation, and reusable subproblem solutions.
Module 02 · Score 74-85
Greedy and Advanced Graphs
Use greedy proofs, intervals, topological ordering, and union-find in advanced scenarios.
Module 03 · Score 86-100
Specialized Structures and Production DSA
Apply tries, segment trees, bits, and DSA decision-making inside production systems.