Data Structures and Big-O Without the Maths Degree
Why some code is fast and some code dies at scale. Big-O in plain language, arrays versus maps and sets, the nested loop that ruins everything, and choosing the right structure.
JavaScript
5 lessons
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Course Curriculum
5 lessons · 1 free preview · ~1.4h total
2
Arrays, Maps and Sets: Pick the Right One
3
The Nested Loop, and How to Remove It
4
Sorting, Searching and Not Reinventing Them
5
Choosing a Structure for a Real Feature
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Course Includes
- 5 structured lessons
- Live coding playground
- Hints when you're stuck
- Automatic code checking
- Completion certificate
- Included with Pro
- Mobile friendly