Also (rank preserving);
   ' 123'i.A
1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3
1 1 1 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3
1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3

…/Rob

> On 16 Oct 2017, at 7:02 am, Raul Miller <[email protected]> wrote:
> 
> Like the others, I am wondering why you are recommending something like
> 
>   ".1j1#"1 A
> 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3
> 1 1 1 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3
> 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3
> 
> over
> 
>   "."0 A
> 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3
> 1 1 1 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3 1 1 1 2 2 2 3 3 3
> 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3
> 
> Thoughts appreciated.
> 
> Thanks,
> 
> -- 
> Raul
> 
> 
> On Sun, Oct 15, 2017 at 3:31 PM, Linda Alvord <[email protected]> wrote:
>> here's some thing to think about.
>> 
>> 
>> 
>> Here's an "all combinations"challenge.
>> 
>> 
>>    ]A=:|:((3^3),3)$, >{3$<'123'
>> 
>> 111111111222222222333333333
>> 
>> 111222333111222333111222333
>> 
>> 123123123123123123123123123
>> 
>> $A
>> 
>> 3 27
>> 
>> 
>> 
>> Find a way to separate all rows and columns with spaces so you can apply “. 
>> To turn the characters to a 3 27 array of jntegers.
>> 
>> .
>> 
>> Linda
>> 
>> 
>>  AOL Mobile Mail
>> 
>> 
>> -----Original Message-----
>> 
>> From: Cliff Reiter <[email protected]>
>> To: programming <[email protected]>
>> Sent: Tue, Oct 3, 2017 11:21 PM
>> Subject: Re: [Jprogramming] Quora Digits Problem
>> 
>> 
>> A cheat (?) that builds instead of "removing" z=.,".>{4#<'123456' $z 1296 
>> 10{.z 1111 1112 1113 1114 1115 1116 1121 1122 1123 1124 On 10/3/2017 4:16 
>> PM, Skip Cave wrote: > Another interesting Quora problem: > > Given the 
>> integers from 1000 to 9999, remove all integers that contain a 7, > 8, 9, or 
>> zero, and list the remaining integers. > > Skip > 
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