3 lines
159 B
Text
3 lines
159 B
Text
fcn sum(n,b){ n.split(b).sum(0) }
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fcn droot(n,b=10,X=0) // -->(digital root, additive persistence)
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{ if(n<b)return(n,X); return(self.fcn(sum(n,b),b,X+1)) }
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