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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1286 Solutions

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Last Solution submitted on Aug 20, 2026

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shinya matsumoto Hoang Minh Tri Lorenzo Prabal

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