Good evening to all,...
i wrote a small algorythm (in C ) to find how many uniqe value are in an
array ..
then change the size of the array to store all the unique values ..

code you please look at the code and make changes to it (to)
/*
This program Should find the true length of an array (the number of
uniqe values)
then create a new array and copy all the unique values onto it.
It is relased with the GNU licence
Created by Jabka Atu (mashrom{dot}head{shift and 2 aka at}gmail.com)
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int truelength(int *arr,int *temp,int size){
int i=0,j,e=1,n=0;
//temp=(int *) malloc(sizeof(int)*size);
temp[0]=arr[0];
while(i<size){
for(j=0;j<n;j++)
if(arr[i]==temp[j])
{
e=0;
}

if(e==1)
{
temp[n]=arr[i];
n++;
}
i++;
e=1;

}
//This will shrink the corrct amount of mem ..
temp=realloc(temp,sizeof(int)*n);


return n;
}

int main(){
int i,e,n,j,size,*ptr,*temp,*newarry;
printf("Please enter the size ");
scanf("%d",&size);
ptr=(int *) malloc(sizeof(int)*size);
for(i=0;i<size;i++)
scanf("%d",&ptr[i]);
temp=(int *) malloc(sizeof(int)*size);
n=truelength(ptr,temp,size);
printf("The size of the array %d",n);

for(i=0;i<n;i++)
printf("%d ",temp[i]);
free(temp);
free(ptr);
return 0;
}




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On 01/21/07 17:18, Jabka atu wrote:
> Good evening to all,...
> i wrote a small algorythm (in C ) to find how many uniqe value are in an
> array ..
> then change the size of the array to store all the unique values ..
>
> code you please look at the code and make changes to it (to)
> /*
> This program Should find the true length of an array (the number of
> uniqe values)
> then create a new array and copy all the unique values onto it.
> It is relased with the GNU licence
> Created by Jabka Atu (mashrom{dot}head{shift and 2 aka at}gmail.com)
> */

This smells like CompSci homework.

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On Sun, Jan 21, 2007 at 06:54:44PM -0600, Ron Johnson wrote:
> On 01/21/07 17:18, Jabka atu wrote:
> > Good evening to all,...
> > i wrote a small algorythm (in C ) to find how many uniqe value are in an
> > array ..
> > then change the size of the array to store all the unique values ..
> >
> > code you please look at the code and make changes to it (to)
> > /*
> > This program Should find the true length of an array (the number of
> > uniqe values)
> > then create a new array and copy all the unique values onto it.
> > It is relased with the GNU licence
> > Created by Jabka Atu (mashrom{dot}head{shift and 2 aka at}gmail.com)
> > */
>
> This smells like CompSci homework.
>
<g>

I was thinking the same thing.

Regards,

-Roberto

--
Roberto C. Sanchez
http://people.connexer.com/~roberto
http://www.connexer.com

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On Sun, Jan 21, 2007 at 09:17:08PM -0500, Roberto C. Sanchez wrote:
> On Sun, Jan 21, 2007 at 06:54:44PM -0600, Ron Johnson wrote:
> >
> > This smells like CompSci homework.
> >
> <g>
>
> I was thinking the same thing.

I think it's our duty to provide the most cunning/evil solution possible
then


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On Mon, Jan 22, 2007 at 10:30:29AM +0000, Jon Dowland wrote:
> On Sun, Jan 21, 2007 at 09:17:08PM -0500, Roberto C. Sanchez wrote:
> > On Sun, Jan 21, 2007 at 06:54:44PM -0600, Ron Johnson wrote:
> > >
> > > This smells like CompSci homework.
> > >
> > <g>
> >
> > I was thinking the same thing.
>
> I think it's our duty to provide the most cunning/evil solution possible
> then

Yes, well I don't think that recommending he redo the homework in Lisp
from within Emacs is very nice. Maybe we should recommend Visual J#?

/ducks

:-)

Regards,

-Roberto

--
Roberto C. Sanchez
http://people.connexer.com/~roberto
http://www.connexer.com

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On 01/22/07 08:12, Roberto C. Sanchez wrote:
> On Mon, Jan 22, 2007 at 10:30:29AM +0000, Jon Dowland wrote:
>> On Sun, Jan 21, 2007 at 09:17:08PM -0500, Roberto C. Sanchez wrote:
>>> On Sun, Jan 21, 2007 at 06:54:44PM -0600, Ron Johnson wrote:
>>>> This smells like CompSci homework.
>>>>
>>> <g>
>>>
>>> I was thinking the same thing.
>> I think it's our duty to provide the most cunning/evil solution possible
>> then
>
> Yes, well I don't think that recommending he redo the homework in Lisp
> from within Emacs is very nice.

Not a bad idea, actually.

Other good languages for implementation:

GW-BASIC
FORTRAN IV
COBOL 66
FORTH

> Maybe we should recommend Visual J#?

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On Mon, Jan 22, 2007 at 11:36:11AM -0500, Kamaraju Kusumanchi wrote:
>
> Hey guys
> Lighten up! Give him the benefit of doubt and him if you can. May be
> the OP belongs to some other field and is trying to get a sense of algorithm
> implementation for a related problem.
>
Except that:

* He is asking a question that can be reasonably answered after reading
a decent introductory CompSci text
* He is coding in C (if he really works in another field, it is
*highly* unlikely that he would be working in C; Matlab would be more
likely)
* He is asking people on the list to modify the code for him
* He provides no indication of what due dilligence he has taken up to
now

> Mocking/rediculing others is not a good idea (especially on public lists)!
>
It is not mocking or ridicule. Simply, someone commented that it
smelled like CompSci homework and some snarky comments were made.
Nobody called him a loser or used any sort of negative language toward
him.

Regards,

-Roberto

--
Roberto C. Sanchez
http://people.connexer.com/~roberto
http://www.connexer.com

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On Mon, Jan 22, 2007 at 10:30:29AM +0000, Jon Dowland wrote:
> I think it's our duty to provide the most cunning/evil
> solution possible then

Probably not all that evil or cunning by most people's
standards, but here's my solution. I tried to do a
continuation-passing-style tail recursive thing, but my C
skills aren't up to it.


--
Jon Dowland