Jelly, 15 bytes
2r⁹*€¹$+Z$FṢQị@
Try it online! (Takes 27.084s for me) (Constant time)
16 bytes, much faster
2r30*€¹$+Z$FṢQị@
Try it online! (Takes 0.947s for me) (Constant time)
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Jelly, 15 bytesTry it online! (Takes 27.084s for me) (Constant time) 16 bytes, much fasterTry it online! (Takes 0.947s for me) (Constant time) |
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