dekui. veikia be priekaistu

"Artras lajus" <x11@ISTRINK_MANEarturaz.net> wrote in message 
news:go5phh$acd$1@trimpas.omnitel.net...
> In ruby:
>
> def groups(from, to, max)
>   size = to - from + 1
>   undivisable = (size % max).to_f
>   group_step = (size.to_f / max).floor + (undivisable / max).floor
>   leftovers = undivisable % max
>
>   result = []
>   last_num = 0
>   max.times do
>     next_num = last_num + group_step
>     if leftovers > 0
>       next_num += 1
>       leftovers -= 1
>     end
>     range = (last_num + 1)..(next_num)
>     last_num = next_num
>     result.push range
>   end
>   result
> end
>
> puts groups(1, 7, 5).inspect
> puts groups(1, 9, 5).inspect
> puts groups(1, 19, 5).inspect
>
> [1..2, 3..4, 5..5, 6..6, 7..7]
> [1..2, 3..4, 5..6, 7..8, 9..9]
> [1..4, 5..8, 9..12, 13..16, 17..19]