You can also do something like this to get each character as an integer...
you'll need to convert each integer to Int64 as Stefan noted when doing the
multiplication.
julia> z = reinterpret(Int32,collect(numb_strg[1:12])) .- 48
12-element Array{Int32,1}:
8
2
1
6
6
3
7
0
4
8
4
4
On Monday, June 15, 2015 at 12:39:14 PM UTC-4, James Byars wrote:
>
> Hey all,
>
> I am working through some Project Euler problem (#008) about searching
> through a number to determine the greatest product of
> thirteen adjacent numbers. Here is a code snippet:
>
> n = 12
> numb_strg = "82166370484403199890008895243450658541227588666881"
> string_post = length(numb_strg) - n
> string_post = 0
>
> When I run this command: *collect(numb_strg[(string_post+1):(string_post*
> *+n)])*
>
> I get a character vector.
>
> 12-element Array{Char,1}:
> '8'
> '2'
> '1'
> '6'
> '6'
> '3'
> '7'
> '0'
> '4'
> '8'
> '4'
> '4'
>
>
> However, if I attempt to convert it to a integer array. I get the
> following array.
>
> 12-element Array{Int64,1}:
> 56
> 50
> 49
> 54
> 54
> 51
> 55
> 48
> 52
> 56
> 52
> 52
>
>
> If I subtract 48 from the each element in the array, I get the correct
> number. Is there any reason for the odd conversion from character to integer
> (or float)? My primary language is R and I am using Project Euler to learn
> Julia.
>
>
> Thanks,
>
>
> James
>
>
