topN using a heap

[Ilya via Digitalmars-d]

On Monday, 18 January 2016 at 23:49:36 UTC, Andrei Alexandrescu 
wrote:
> On 1/18/16 6:44 PM, Ilya wrote:
>> On Monday, 18 January 2016 at 23:27:19 UTC, Ivan Kazmenko 
>> wrote:
>>> On Monday, 18 January 2016 at 23:18:03 UTC, Ilya wrote:
>>>> A RNGs don't improve worst case. It only changes an 
>>>> permutation for
>>>> worst case. --Ilya
>>>
>>> Still, use of RNG makes it impossible to construct the worst 
>>> case
>>> beforehand, once and for all.  In that sense, this is a 
>>> regression.
>>
>> No, it is definitely possible, because RNGs are Pseudo-RNGs. 
>> --Ilya
>
> unpredictableSeed uses the system clock as a source of 
> randomness, so we're good there. -- Andrei

Would this work for pure functions? --Ilya