From: Sylvester Keil <sylvester.keil@...>
Date: 2011-11-28T23:49:48+09:00
Subject: Re: Is high-speed sorting impossible with Ruby?


On Nov 28, 2011, at 3:33 PM, Gaurav C. wrote:

> Ryan Davis wrote in post #1034037:
>> On Nov 27, 2011, at 09:51 , Douglas Seifert wrote:
>> 
>>  $stdin.gets
>>  puts $stdin.readlines.map(&:to_i).sort
>> 
>> Neither solution seems fast enough to reach their arbritrary deadline of
>> 5 seconds (with their data)... but it is good enough for me. I love the
>> fact that I can write a 1-2 liner and be done and onto the next problem
>> while others are still bit-twiddling in their lower level languages...
> 
> Hi Ryan,
> 
> Totally makes sense to move on instead of trying to fit into constraints 
> which are actually not meant for your choice of language. Also, could 
> you explain your code a bit (have just started using Ruby since few 
> days)?
> 
> $stdin.gets
> puts $stdin.readlines.map(&:to_i).sort
> 
> It's interesting to take all the input at once but I run the code above 
> and it seems like it never stops taking input?

$stdin.readlines will return when it reads EOF; to my understanding, that's why Ryan said the input data needs to be 'honest' in his previous post. On a Unix system you can test this by pressing Ctrl-D (to send EOF to the input stream).