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Topic 5 · Practice

Data structures

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Endless fresh questions on 8 skills, with the full working shown whenever you need it.

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  • Reading a 2D array
  • Size of a 3D array
  • Tracing a stack
  • Tracing a circular queue
  • Binary tree traversals
  • Linked lists
  • Hashing and collisions
  • Choosing a data structure
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