+/_5{.\100+i.900

> On Jan 16, 2018, at 11:39 PM, Skip Cave <[email protected]> wrote:
> 
> I want to find the sum of all the three-digit numbers that are divisible by
> 5 (Quora problem).
> 
> My explicit solution is:
> 
>    +/a#~0=5|a=.100+i.900
> 98550
> 
> To find a tacit version:
> 
>   sm=. +/a#~0=5|a=.100+i.900
> 
>   sm
> 
> [: ([: +/ ] #~ 0 = 5 | ]) (100+i.900)"_
> 
> 
> Is there a more compact way to express this function tacitly?
> 
> 
> Skip
> 
> 
> Skip Cave
> Cave Consulting LLC
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