9 lines
177 B
Text
9 lines
177 B
Text
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xor: {~x=y}
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gray:{x[0],xor':x}
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/ variant: using shift
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gray1:{(x[0],xor[1_ x;-1_ x])}
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/ variant: iterative
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gray2:{x[0],{:[x[y-1]=1;~x[y];x[y]]}[x]'1+!(#x)-1}
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