Results 1 to 2 of 2

Thread: Iterative mergesort

  1. #1

    Thread Starter
    Addicted Member
    Join Date
    Oct 2003
    Posts
    149

    Iterative mergesort

    I have my recursive mergesort working, but now im stumped on how to go about implementing the mergesort without recursion using vectors any ideas?

  2. #2
    transcendental analytic kedaman's Avatar
    Join Date
    Mar 2000
    Location
    0x002F2EA8
    Posts
    7,221
    loop s from 2 to n doubling each time (should go in logn steps) and within loop from 1 to n adding s each time, and within do the merging
    you can also use a insertion sort first on lists of 10 each and then start the merging from 10 upto n.
    Use
    writing software in C++ is like driving rivets into steel beam with a toothpick.
    writing haskell makes your life easier:
    reverse (p (6*9)) where p x|x==0=""|True=chr (48+z): p y where (y,z)=divMod x 13
    To throw away OOP for low level languages is myopia, to keep OOP is hyperopia. To throw away OOP for a high level language is insight.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  



Click Here to Expand Forum to Full Width