Randy wrote:
> Lacking the case where an individual item has a sum <10,
> But the problem so far seems undefined otherwise:
Sorry, I didn't understand your question. Why are you calculating +/ 9 | y ?
> +/ 9| 85 334
>5 NB. should it be 23 = 13 + 10 ?
Yes, the sume of the digits of the input vector 85 334 should be 23 (i.e.
+/ 8 5 3 3 4) . Both verbs (the original spec and Arie's version) produce
this result:
+/,.&.":85 334
23
10 +/@:,@:(#.^:_1) 85 334
23
-Dan
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