Easy

05. Nested Loops & 2D Matrix Transforms

Problem Objective

Write a function flatten2D(matrix) that flattens a 2D array into a 1D array using nested loops.

Expected Terminal OutputStandard Out

Flat: [ 1, 2, 3, 4 ]

[✓] 2D matrix flatten verified (Time: 0.035s, Memory: 24.2 MB)

Execution Constraints

Implementation Checklist

Iterate rowsIterate items in each rowPush into flat array

index.jsnode 20.x (V8 Engine)

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