Interactive Data Structures & Algorithms course Ordo
From arrays to graphs, one animated step at a time: searching, sorting, recursion, lists, stacks, queues, hashing and trees, with code in C, C++ and Python.
- Scenes
- 47
- Level
- Beginner
- Guide
- Dex
- Kind
- Narrated scenes
What students work through
- Big-O & searching
- Sorting & recursion
- Lists, stacks & queues
- Hashing, trees & graphs
Every scene in Ordo follows the same pattern: a plain sentence saying what the idea is, a working model the student controls, a real example, then a “your turn” step.
The free preview opens the first 3 scenes in your browser. The full course comes with your college’s TwiddleLabs subscription: teachers use it in the browser, and students get it in the TwiddleLabs app on their phone and laptop, working offline.
From the blog
- 5 min readWhat are data structures and algorithms?Data structures organize data, algorithms describe step-by-step procedures to solve problems. Learn the basics with clear examples.
- 7 min readBubble sort explained step by step (C, C++ and Python)How bubble sort works, traced pass by pass on a real list, with tested code in C, C++ and Python, its O(n²) cost and the early-stop trick.
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