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Stay inside an array4 min

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A small idea, worth understanding

Stay inside an array

Use zero-based indexing and .len.

A Zig array has a fixed length. Its elements are addressed from index 0 to len - 1.

An out-of-bounds access is illegal; do not rely on reading past the end.

Two activities. No typing needed. You can always retry, or read an explanation and continue.

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