please check this also Selection_algorithm <http://en.wikipedia.org/wiki/Selection_algorithm>
On Tue, Mar 22, 2011 at 10:13 AM, Rajeev Kumar <[email protected]>wrote: > > http://flexaired.blogspot.com/2011/03/big-file-containing-billions-of-numbers.html > > On Mon, Mar 21, 2011 at 4:05 AM, Natansh Verma <[email protected]>wrote: > >> @dave -was this a constraint since the beginning? In case it was, I am >> sorry I didn't notice. >> >> In that case, the heap method ought to work better. I dont think the >> quicksort method will work. >> >> Sent from my iPhone >> >> On 20-Mar-2011, at 23:00, Dave <[email protected]> wrote: >> >> > @Natansh: How do you do this with the constraint that your RAM is so >> > small that you cannot accomodate all of the numbers at once? >> > >> > Dave >> > >> > On Mar 20, 9:04 am, Natansh Verma <[email protected]> wrote: >> >> There's another way... use the partitioning method for quicksort to >> find the >> >> k smallest elements. Then it should take expected time as O(n + klogk). >> >> Plus, it is in-place. >> >> >> >> >> >> >> >> On Wed, Mar 16, 2011 at 7:26 PM, asit <[email protected]> wrote: >> >>> I agree with munna >> >> >> >>> -- >> >>> You received this message because you are subscribed to the Google >> Groups >> >>> "Algorithm Geeks" group. >> >>> To post to this group, send email to [email protected]. >> >>> To unsubscribe from this group, send email to >> >>> [email protected]. >> >>> For more options, visit this group at >> >>> http://groups.google.com/group/algogeeks?hl=en.- Hide quoted text - >> >> >> >> - Show quoted text - >> > >> > -- >> > You received this message because you are subscribed to the Google >> Groups "Algorithm Geeks" group. >> > To post to this group, send email to [email protected]. >> > To unsubscribe from this group, send email to >> [email protected]. >> > For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> >> > > > -- > Thank You > Rajeev Kumar > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > Thanks Rajesh Patidar~ -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
