Description:

Determine if the elements of an input array are triangle numbers and return the result as an array with the same dimensions as the input.

Example:

    Input  = [ 1 2 3 ];
    Output = [ 1 0 1 ];
Solve

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1278 Solutions

398 Solvers

Last Solution submitted on Feb 16, 2026

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Yongzhen Mi Matthew Bolyard Hoang Minh Tri ROBERTO

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