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Free module

Data structures and algorithms in practice

Data structures and algorithms in practice: how fast code is, arrays, maps and sets, stacks and queues, searching and sorting.

6 lessons275 min lesson

The lessons

Each lesson is free to read in full. Create a free account to run its commands in a live lab and to sit its quizzes and tasks.

  1. 1

    Lists keep items in order

    I can store and change items in a list.

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  2. 2

    Stacks and queues for everyday jobs

    I can choose a stack or a queue for a job.

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  3. 3

    Looking up a value by its key

    I can look up a value by its key.

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  4. 4

    Finding an item: linear and binary search

    I can find an item by linear search and by binary search.

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  5. 5

    Sorting data and why it matters

    I can sort data and say why it matters.

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  6. 6

    How code slows down as data grows

    I can compare how two algorithms grow with more data.

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