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Vyxal, 4 bytes K∆²a Try it Online! Outputs 0 for square-free, 1 for not. K # Factors ∆² # Is perfect square a # Any true?
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2022-01-06T06:52:29Z (almost 3 years ago)
# [Vyxal](https://github.com/Vyxal/Vyxal), 4 bytes ``` K∆²a ``` [Try it Online!](https://vyxal.pythonanywhere.com/#WyIiLCIiLCJL4oiGwrJhIiwiIiwiNDQiXQ==) Outputs 0 for square-free, 1 for not. ``` K # Factors ∆² # Is perfect square a # Any true? ```