Beginner / Linear structures

Arrays: access and update

Watch an index point directly to a slot, read its value, then update that same slot.

Time
O(1)
Space
O(1)

Understand it before you run it

Read this once, then use the visual trace to test the idea.

The problem

What it is

A useful mental model

How this operation works

    Where it is used

      Work through the example

      Enter 2 to 10 numbers.

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      ArraysOne operation, shown step by step
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