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Data Structures & Algorithms

Practical foundations for organizing data and solving problems.

20Courses
60Lessons
120Micro-lessons
Course #1

Arrays

Hands-on understanding of arrays and how to use them in real tasks.

Open course
3 Lessons6 Micro-lessonsDifficulty: Beginner
Course #2

Lists

Understanding how lists behave when data grows and changes.
Open course
3 Lessons6 Micro-lessonsDifficulty: Not set
Course #3

Stacks

A practical path to understand how stack-based systems behave in real programs.
Open course
3 Lessons6 Micro-lessonsDifficulty: Not set
Course #4

Queues

A practical course that shows how FIFO systems behave in real use.
Open course
3 Lessons6 Micro-lessonsDifficulty: Not set
Course #5

Linked Lists

Understand how nodes connect and move data.
Open course
3 Lessons6 Micro-lessonsDifficulty: Not set
Course #6

Searching

Explore efficient data searching techniques in various data structures.
Open course
3 Lessons6 Micro-lessonsDifficulty: Intermediate
Course #7

Sorting

Explore various sorting techniques and their applications.
Open course
3 Lessons6 Micro-lessonsDifficulty: Intermediate
Course #8

Hash Tables

Explore the intricacies of hash tables, focusing on key-value storage and its applications.
Open course
3 Lessons6 Micro-lessonsDifficulty: Intermediate
Course #9

Trees

Explore the structure and application of trees in data management.
Open course
3 Lessons6 Micro-lessonsDifficulty: Intermediate
Course #10

Graphs

Explore the world of graphs, understanding their structures and applications in representing networks.
Open course
3 Lessons6 Micro-lessonsDifficulty: Intermediate
Course #11

Binary Search

Advanced mastery of binary search: judgment, restraint, and calibration in ambiguous, high-stakes scenarios.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #12

Merge Sort

Advanced judgment in merge sort: recognizing when divide-and-conquer sorting creates hidden risks, and calibrating decisions under ambiguous system limits.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #13

Quick Sort

Mastering partition-based sorting under ambiguous and high-stakes conditions. Focus on judgment, restraint, and calibration when common strategies fail.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #14

Depth-First Search

Advanced mastery of Depth-First Search: judgment, restraint, and calibration in graph traversal under ambiguity.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #15

Breadth-First Search

Mastering Breadth-First Search in complex graphs: recognizing when exploration becomes costly, and calibrating judgment under uncertainty.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #16

Dynamic Programming

Advanced judgment in dynamic programming: recognizing when optimization becomes counterproductive, and calibrating decisions under ambiguity.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #17

Greedy Algorithms

Advanced mastery of greedy algorithms: recognizing limits, calibrating judgment, and restraining action when local choices threaten global outcomes.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #18

Complexity Analysis

Mastering judgment in evaluating time and space complexity under real constraints. For advanced teens who already apply algorithms but need to calibrate decisions under ambiguity and risk.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #19

Algorithm Design

Mastering advanced judgment in algorithm design under uncertainty, ambiguity, and real-world constraints.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced
Course #20

DSA Mastery

Advanced calibration for integrating data structures and algorithms under ambiguity, stress, and real-world constraints.
Open course
3 Lessons6 Micro-lessonsDifficulty: Advanced