Advent of Code

[drug via Digitalmars-d]

On 02.12.2015 06:50, Charles wrote:
> On Tuesday, 1 December 2015 at 22:57:38 UTC, Ali Çehreli wrote:
>> My visit was short due to this:
>>
>>  To play, please identify yourself via one of these services:
>>
>> [github] [google] [twitter] [reddit]
>>
>> Ali
>
> I was the same way earlier, but reddit doesn't need personal
> information, so you can just make a throwaway account. Did the first
> question and it was painfully simple.
>
> !!!! SPOILERS (stop reading here if you want to do it) !!!
>
>
>
>
>
>      auto input = "arbitrarily long string of '(' and ')'";
>
>      int floor;
>      foreach(movement; input)
>          floor += (movement == '(' ? 1 : -1);
>
>      writeln(floor);
If you copy the input with spaces (like I did) the code above gives 
wrong result because the requirement is the input should contain only 
"(" and ")".