[algogeeks] Corman Question

2008-05-29 Thread Raghavendra Sharma
Hi, On a plane if there are n points. How to find out if there are three (3) points which are collinear in O(N**2log n) time. I got a solution which uses extra space. But i need a solution which doesn't use any extra space. Thanks, Raghavendra --~--~-~--~~~---~--~--

[algogeeks] Re: STL map uses Hashing?

2008-05-29 Thread Geoffrey Summerhayes
On May 29, 10:43 am, "Akhil Ravidas" <[EMAIL PROTECTED]> wrote: > On Thu, May 29, 2008 at 8:08 PM, Geoffrey Summerhayes <[EMAIL PROTECTED]> > wrote: > > > Easiest way to find out implementation details is to > > just read the header file on your implementation. > > Look for stl_tree.h . > No, loo

[algogeeks] Re: STL map uses Hashing?

2008-05-29 Thread Akhil Ravidas
Look for stl_tree.h . On Thu, May 29, 2008 at 8:08 PM, Geoffrey Summerhayes <[EMAIL PROTECTED]> wrote: > > On May 29, 2:46 am, Vinodh <[EMAIL PROTECTED]> wrote: > > I am reading about hashing techniques. > > The map data structure available in C++ STL uses hashing techniques? > > It's been more t

[algogeeks] Re: STL map uses Hashing?

2008-05-29 Thread Geoffrey Summerhayes
On May 29, 2:46 am, Vinodh <[EMAIL PROTECTED]> wrote: > I am reading about hashing techniques. > The map data structure available in C++ STL uses hashing techniques? It's been more than a few years since I looked at the standard, but I believe the actual algorithm is left unspecified. There are

[algogeeks] Questions on Hashing

2008-05-29 Thread Vinodh
Hi, For some time now I started studying Algos and Data Structures. I got these question when I was going through Hashing. Please help me answering them. Some questions are of the type to validate my understanding. 1) Suppose If I need to design a commonly referred Hash table, I should allow inse

[algogeeks] Re: STL map uses Hashing?

2008-05-29 Thread Akhil Ravidas
It uses Red Black trees. On Thu, May 29, 2008 at 12:20 PM, Raghavendra Sharma < [EMAIL PROTECTED]> wrote: > Hi, > > map container in STL uses balanced binary search tree. It does not use > hashing technique. > > Thanks, > Raghavendra > > > On Thu, May 29, 2008 at 12:16 PM, Vinodh <[EMAIL PROTECTE