Covering some basic topics I haven't seen elsewhere on Cody.

Given an input vector of numbers, output a square array with the vector as the main diagonal and all other elements = 0.

[1:4] ->

1 0 0 0
0 2 0 0
0 0 3 0
0 0 0 4
Solve

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Last Solution submitted on Feb 13, 2026

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Wang Fan Matthew Bolyard 紫 gharam

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