For any given n, return a matrix that includes a triangle of ones of height n:
Example
n = 3
output = [0,0,1,0,0
0,1,1,1,0
1,1,1,1,1]
Solve

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Last Solution submitted on Jan 01, 2026

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minnolina Pauli Huusari Riccardo G. 董济川

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