Re: [algogeeks] sorting

2011-09-09 Thread siddharam suresh
@praveen raj: yes bubble sort takes O(N) in best case,
but selection sort it depends the selection algo(does the selection
starts from the first(then itsO(n)) or last(then its O(N^2))
Thank you,
Sid.



On Fri, Sep 9, 2011 at 11:20 AM, praveen raj praveen0...@gmail.com wrote:
 for checking whther given array sorted or not... bubble sort or insertion
 sort... takes O(n).. time...

 With regards,

 Praveen Raj
 DCE-IT 3rd yr
 735993
 praveen0...@gmail.com



 On Thu, Sep 8, 2011 at 11:32 PM, aayush jain ajain...@gmail.com wrote:

 thanx @piyush

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Re: [algogeeks] stack implementation with a constraint

2011-09-09 Thread bharatkumar bagana
@surender: say the hash table of freq,linked_lis is as follows...
1,2-3-4
2,5-6
3,7-8
pop(7) would decrease the frequency of element 7 means that element has to
be added to 2nd key i.e 2,5-6-7 here
how do u get the element 7 from hash table as freq is the key element in u'r
table?
And after getting element u have to add 7
LinkedList linked_list=hash.get(new_freq(7));
linked_list.addLast(7);
hash.add(new_freq(7),linked_list);
Any better approach?

On Fri, Sep 9, 2011 at 11:09 AM, surender sanke surend...@gmail.com wrote:

 maintain a hash of freq,linked_list
 linked_list consists of values of that frequency.
 values with same frequency comes under same list
 if pop of a particular value is done, then frequency is changed of that
 number, a new record would be created if required.
 maintain two values tracking max and second_max, which would track of
 highest frequency value.
 let me know ur suggestions

 surender

 On Wed, Sep 7, 2011 at 1:03 PM, kARTHIK R k4rth...@gmail.com wrote:

 The frequency is also stored in the heap right? So to do heapify based on
 frequency, first you have to spot the element on the heap. That itself will
 take O(n). [ Heapfying after that takes only O(log n) ] If you use a hashmap
 and store frequencies, and each time mostFrequent is called, do a linear
 search on the map, it will have the same complexity. Can anyone come up with
 a better solution?


 Karthik R,
 RD Engineer,
 Tejas Networks.



 On Wed, Sep 7, 2011 at 8:49 AM, *$* gopi.komand...@gmail.com wrote:

 HI,
  Need logic to implement a stack which should support push , pop , top as
 well as mostFrequent. mostFrequent should return the most frequently pushed
 element.

 I have provided the following logic
 have one general stack implementation and one Heap .. (Heapify based on
 frequeny not based on element value)

 can any one tell me the time complexity for the above logic .. as well as
 any other good algo for the same.

 Thx,
 --Gopi

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Re: [algogeeks] future first????

2011-09-09 Thread praveen raj
Full of Aptitude. they check the speed and accuracy...

With regards,

Praveen Raj
DCE-IT 3rd yr
735993
praveen0...@gmail.com



On Thu, Sep 8, 2011 at 3:33 AM, htross htb...@gmail.com wrote:

 future first is coming to our college.what kind of questions will
 be asked in first round

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Re: [algogeeks] stack implementation with a constraint

2011-09-09 Thread surender sanke
@bharat
take two hashmaps of
hash1data, freq and
hash2freq,linked_list
take frequency of a data from hash1, and find its list in hash2.
if ur poping, reduce frequency in hash1 and in corresponding hash2 remove
its entry in that list and put it in freq-1 entry
and keep track of max and second max of highest frequncy value of hash2 in
vars max and second_max

surender

On Fri, Sep 9, 2011 at 11:42 AM, bharatkumar bagana 
bagana.bharatku...@gmail.com wrote:

 @surender: say the hash table of freq,linked_lis is as follows...
 1,2-3-4
 2,5-6
 3,7-8
 pop(7) would decrease the frequency of element 7 means that element has to
 be added to 2nd key i.e 2,5-6-7 here
 how do u get the element 7 from hash table as freq is the key element in
 u'r table?
 And after getting element u have to add 7
 LinkedList linked_list=hash.get(new_freq(7));
 linked_list.addLast(7);
 hash.add(new_freq(7),linked_list);
 Any better approach?


 On Fri, Sep 9, 2011 at 11:09 AM, surender sanke surend...@gmail.comwrote:

 maintain a hash of freq,linked_list
 linked_list consists of values of that frequency.
 values with same frequency comes under same list
 if pop of a particular value is done, then frequency is changed of that
 number, a new record would be created if required.
 maintain two values tracking max and second_max, which would track of
 highest frequency value.
 let me know ur suggestions

 surender

 On Wed, Sep 7, 2011 at 1:03 PM, kARTHIK R k4rth...@gmail.com wrote:

 The frequency is also stored in the heap right? So to do heapify based on
 frequency, first you have to spot the element on the heap. That itself will
 take O(n). [ Heapfying after that takes only O(log n) ] If you use a hashmap
 and store frequencies, and each time mostFrequent is called, do a linear
 search on the map, it will have the same complexity. Can anyone come up with
 a better solution?


 Karthik R,
 RD Engineer,
 Tejas Networks.



 On Wed, Sep 7, 2011 at 8:49 AM, *$* gopi.komand...@gmail.com wrote:

 HI,
  Need logic to implement a stack which should support push , pop , top
 as well as mostFrequent. mostFrequent should return the most frequently
 pushed element.

 I have provided the following logic
 have one general stack implementation and one Heap .. (Heapify based on
 frequeny not based on element value)

 can any one tell me the time complexity for the above logic .. as well
 as any other good algo for the same.

 Thx,
 --Gopi

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[algogeeks] Re: microsoft interview

2011-09-09 Thread Amit Gupta
Guys, why don't we do something like this :

1. If (arrayHasBeenTraversed, Goto 4).
Else, Traverse the 2-D array [row,column] wise. Inspect element
array[row][column]. Goto 2.
2. If you encounter a '1' (array[row][column]),
change all the 0's in the corresponding [row,column] to '-1'
Also, don't do anything if you encounter a '1'.
3. Goto 1.
4. Scan the array, change all '-1s' to 1s. Finish.

Send your comment.

Cheers,
Amit

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[algogeeks] Re : google groups

2011-09-09 Thread shady
hi,
I am not able to add a person to the algogeeks group. Is there a limit on
the number of people who could join a particular google groups ?
At present there are 7960 people :)

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Re: [algogeeks] ACM

2011-09-09 Thread shady
great idea...

On Fri, Sep 9, 2011 at 11:00 AM, Manish Verma jalsa.n.sa...@gmail.comwrote:

 Hey, anyone preparing for acm-icpc

 what about discussing acm-icpc questions here
 what say @shady??

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[algogeeks] yahoo

2011-09-09 Thread htross
hi everyone
  yahoo is coming to our college on september 30
  what kind of questions will be asked in first round???
  how to prepare for the first round

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Re: [algogeeks] Re: Element in Array Repeated Even Number of Times

2011-09-09 Thread Pritpal Singh
@Dave : Please specify reason for choosing radix sort ?

On Thu, Sep 8, 2011 at 7:02 AM, Sandy sandy.wad...@gmail.com wrote:

 Thanks Dave, Piyush, and Bittursk.


 On Wed, Sep 7, 2011 at 2:48 PM, Dave dave_and_da...@juno.com wrote:

 @Sandy: It can be done in O(n) time with O(n) extra space by sorting
 the data with a radix sort and then scanning the array for the element
 you are seeking.

 Dave

 On Sep 7, 11:43 am, Sandy sandy.wad...@gmail.com wrote:
  You have an array in which every number is repeated odd number of times
  except one.  Write a function to find that one element in O(n) time.
 
  --
 
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   ( Mobile +91-9866507368
 
  *“I believe in smart work, Believe Me”*

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[algogeeks] difference ?

2011-09-09 Thread siddharam suresh
is there any difference b/w

int var;
var=0;

and

int var;
var  =0;

both codes yield the same value right?

Thank you,
Sid.

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[algogeeks] siddharam suresh wants to chat

2011-09-09 Thread siddharam suresh
---

siddharam suresh wants to stay in better touch using some of Google's
coolest new
products.

If you already have Gmail or Google Talk, visit:
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You'll need to click this link to be able to chat with siddharam suresh.

To get Gmail - a free email account from Google with over 2,800 megabytes of
storage - and chat with siddharam suresh, visit:
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Re: [algogeeks] yahoo

2011-09-09 Thread Dheeraj Sharma
whch collg wat package?
last time when it came to our collg..it has 4 questions on probablity..2-3
on c..and rest 15 20 on unix..

On Fri, Sep 9, 2011 at 3:40 PM, htross htb...@gmail.com wrote:

 hi everyone
  yahoo is coming to our college on september 30
  what kind of questions will be asked in first round???
  how to prepare for the first round

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-- 
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Comp Engg.
NIT Kurukshetra
+91 8950264227

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[algogeeks] Re: yahoo

2011-09-09 Thread htross
its offering 9.55was there a coding round also

On Sep 9, 4:19 pm, Dheeraj Sharma dheerajsharma1...@gmail.com wrote:
 whch collg wat package?
 last time when it came to our collg..it has 4 questions on probablity..2-3
 on c..and rest 15 20 on unix..









 On Fri, Sep 9, 2011 at 3:40 PM, htross htb...@gmail.com wrote:
  hi everyone
   yahoo is coming to our college on september 30
   what kind of questions will be asked in first round???
   how to prepare for the first round

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 --
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 Comp Engg.
 NIT Kurukshetra
 +91 8950264227

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[algogeeks] Telcordia

2011-09-09 Thread keerthana
Hi all,
   Telcordia is going to visit our campus.. pls post the recent
questions u have come across.. Thanks in advance...

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[algogeeks] Re: ACM

2011-09-09 Thread WgpShashank
Yes It Will Great to Discuss Such Probs Here ::) 

Thanks
Shashank

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Re: [algogeeks] Re: Element in Array Repeated Even Number of Times

2011-09-09 Thread shady
O(kN)
where k is the length of the numbers which are assumed to be integers, so
for even k = 100
it is O(N).


On Fri, Sep 9, 2011 at 4:27 PM, Pritpal Singh pritpal2...@gmail.com wrote:

 @Dave : Please specify reason for choosing radix sort ?


 On Thu, Sep 8, 2011 at 7:02 AM, Sandy sandy.wad...@gmail.com wrote:

 Thanks Dave, Piyush, and Bittursk.


 On Wed, Sep 7, 2011 at 2:48 PM, Dave dave_and_da...@juno.com wrote:

 @Sandy: It can be done in O(n) time with O(n) extra space by sorting
 the data with a radix sort and then scanning the array for the element
 you are seeking.

 Dave

 On Sep 7, 11:43 am, Sandy sandy.wad...@gmail.com wrote:
  You have an array in which every number is repeated odd number of times
  except one.  Write a function to find that one element in O(n) time.
 
  --
 
  *Sandeep Kumar,*
   ( Mobile +91-9866507368
 
  *“I believe in smart work, Believe Me”*

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 *“I believe in smart work, Believe Me”*


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Re: [algogeeks] Re : google groups

2011-09-09 Thread sumit kumar pathak
*no, there is no such limit
*regards
- Sumit Kumar Pathak
(Sumit/ Pathak/ SKP ...)
*Smile is only good contagious thing.*
*Spread it*!



On Fri, Sep 9, 2011 at 1:59 PM, shady sinv...@gmail.com wrote:

 hi,
 I am not able to add a person to the algogeeks group. Is there a limit on
 the number of people who could join a particular google groups ?
 At present there are 7960 people :)

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Re: [algogeeks] difference ?

2011-09-09 Thread sumit kumar pathak
*int var without initialization gives junk values to var
*
*Doing its '' with 0 will give 0.
*
*In other case you are normally assigning it some value.*
regards
- Sumit Kumar Pathak
(Sumit/ Pathak/ SKP ...)
*Smile is only good contagious thing.*
*Spread it*!



On Fri, Sep 9, 2011 at 4:31 PM, siddharam suresh siddharam@gmail.comwrote:

 is there any difference b/w

 int var;
 var=0;

 and

 int var;
 var  =0;

 both codes yield the same value right?

 Thank you,
 Sid.



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Re: [algogeeks] Re: Element in Array Repeated Even Number of Times

2011-09-09 Thread Karan Thakral
are all the numbers in a range?? say from (1 to n) and is there atleast one
occurence of each??

On Fri, Sep 9, 2011 at 5:25 PM, shady sinv...@gmail.com wrote:

 O(kN)
 where k is the length of the numbers which are assumed to be integers, so
 for even k = 100
 it is O(N).



 On Fri, Sep 9, 2011 at 4:27 PM, Pritpal Singh pritpal2...@gmail.comwrote:

 @Dave : Please specify reason for choosing radix sort ?


 On Thu, Sep 8, 2011 at 7:02 AM, Sandy sandy.wad...@gmail.com wrote:

 Thanks Dave, Piyush, and Bittursk.


 On Wed, Sep 7, 2011 at 2:48 PM, Dave dave_and_da...@juno.com wrote:

 @Sandy: It can be done in O(n) time with O(n) extra space by sorting
 the data with a radix sort and then scanning the array for the element
 you are seeking.

 Dave

 On Sep 7, 11:43 am, Sandy sandy.wad...@gmail.com wrote:
  You have an array in which every number is repeated odd number of
 times
  except one.  Write a function to find that one element in O(n) time.
 
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Re: [algogeeks] Re: yahoo

2011-09-09 Thread Dheeraj Sharma
yeah..after that their was..one coding..round..and then interviews...
i didnt gave the coding round..bt i know..that there was..coding round..

On Fri, Sep 9, 2011 at 5:15 PM, htross htb...@gmail.com wrote:

 its offering 9.55was there a coding round also

 On Sep 9, 4:19 pm, Dheeraj Sharma dheerajsharma1...@gmail.com wrote:
  whch collg wat package?
  last time when it came to our collg..it has 4 questions on
 probablity..2-3
  on c..and rest 15 20 on unix..
 
 
 
 
 
 
 
 
 
  On Fri, Sep 9, 2011 at 3:40 PM, htross htb...@gmail.com wrote:
   hi everyone
yahoo is coming to our college on september 30
what kind of questions will be asked in first round???
how to prepare for the first round
 
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Re: [algogeeks] Telcordia

2011-09-09 Thread vivek goel
hey wat is its eligibility criteriaand whch branches allowed
and wat package..and profile also...

On Fri, Sep 9, 2011 at 5:20 PM, keerthana keerthana1...@gmail.com wrote:

 Hi all,
   Telcordia is going to visit our campus.. pls post the recent
 questions u have come across.. Thanks in advance...

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[algogeeks] Re: File trying to read when reached EOF , WHY ????

2011-09-09 Thread SAMMM
hello frnds , can u give any reason why this code is trying to read
when the file has reached the EOF ???

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Re: [algogeeks] Re: File trying to read when reached EOF , WHY ????

2011-09-09 Thread shady
wrong place to ask people to debug your codes.
topic closed***

On Fri, Sep 9, 2011 at 7:56 PM, SAMMM somnath.nit...@gmail.com wrote:

 hello frnds , can u give any reason why this code is trying to read
 when the file has reached the EOF ???

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[algogeeks] Re: Telcordia

2011-09-09 Thread siva viknesh
eligiblity seems to be somewat overwhelming ..its 9 nd above
cgpa!  cs it ec .. 4.2 lpa

On Sep 9, 7:17 pm, vivek goel vivek.thapar2...@gmail.com wrote:
 hey wat is its eligibility criteriaand whch branches allowed
 and wat package..and profile also...







 On Fri, Sep 9, 2011 at 5:20 PM, keerthana keerthana1...@gmail.com wrote:
  Hi all,
    Telcordia is going to visit our campus.. pls post the recent
  questions u have come across.. Thanks in advance...

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[algogeeks] Re: Kth largest element

2011-09-09 Thread Dave
@Praveen: I can think of two ways you might be using the heap:

1) You transform the unordered input array into a max heap. This is
O(n log n). Then, k times, you remove the top element. This is O(k log
n). The total is O((k+n) log n).

2) You form a min heap of the first k elements of the array. This is
O(k log k). Then, for the remaining n-k elements of the input array,
you ignore an element that is less than than the root of the heap, but
replace the root with a larger or equal element and reheapify. This is
O(n-k) log k). The total is O(n log k).

In either case, the algorithm is not O(k log n). So you must have
another algorithm. Please explain it in more detail.

Dave

On Sep 9, 12:35 am, praveen raj praveen0...@gmail.com wrote:
 I am considering..

 Maxheapify... A[parent(i)]=A[i]
 kth largest element...
 therefore O(klogn)...
 k times u have to extract the largest element and logn to maintain the
 maxheapify everytime.

 minheapifyA[parent(i)]=A[i]
 kth largest element that means ... (n-k) smallest element.
 therefoe... O((n-k)logn)...

 With regards,

 Praveen Raj
 DCE-IT 3rd yr

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[algogeeks] Re: urgent :guys what type of ques does flipkart ask anyidea for written and interview

2011-09-09 Thread siva viknesh
hi...which coll and package???...plz post the interview experiences
after attending ..thx

On Sep 8, 6:03 pm, htross htb...@gmail.com wrote:
 please post the questions after the first round is over...

 On Sep 8, 9:35 am, rahulmaximus rahul29ma...@gmail.com wrote:







  what the pattern like?
  Any papers or type of topics to stress on would be welcomed ...

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Re: [algogeeks] Re: whats d problem wid using gets?

2011-09-09 Thread SANDEEP CHUGH
@PRAVEEN :

with scanf , we can read two or more than two variables at a time
like
scanf(  %s %sstring1, string2)

but with gets we can read only one variable
gets (string1)

we cannot use  gets (string1, string2)


On Thu, Sep 8, 2011 at 11:05 PM, praveen raj praveen0...@gmail.com wrote:

 @sandeep...dont understand... plz give an example...


 With regards,

 Praveen Raj

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[algogeeks] IOCL

2011-09-09 Thread Dheeraj Sharma
can anyone tell me the procedure for IOCL?
paper nd all

-- 
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Comp Engg.
NIT Kurukshetra
+91 8950264227

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Re: [algogeeks] IOCL

2011-09-09 Thread Kamakshii Aggarwal
dr's get shortlisted and den direct interview..no written test

On Fri, Sep 9, 2011 at 10:27 PM, Dheeraj Sharma dheerajsharma1...@gmail.com
 wrote:

 can anyone tell me the procedure for IOCL?
 paper nd all

 --
 *Dheeraj Sharma*
 Comp Engg.
 NIT Kurukshetra
 +91 8950264227

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kamakshi...@gmail.com

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[algogeeks]

2011-09-09 Thread aayush jain
can anybody tell the code of followingone -
write a program which accepts i/p into an array of letters
c-circle
t-triangle etc
and prints circle if array entry is 'c'
triangle if array entry is 't'
hint : use virtual functions, abstract class
know polymorphism very well

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[algogeeks] Re: IOCL

2011-09-09 Thread siva viknesh
watever test conduct ..watever interview they conducttopper will
be selected... tats all...a girl wit 9.9 cgpa was selected in our coll
nd no other !!!

On Sep 9, 9:58 pm, Kamakshii Aggarwal kamakshi...@gmail.com wrote:
 dr's get shortlisted and den direct interview..no written test

 On Fri, Sep 9, 2011 at 10:27 PM, Dheeraj Sharma dheerajsharma1...@gmail.com









  wrote:
  can anyone tell me the procedure for IOCL?
  paper nd all

  --
  *Dheeraj Sharma*
  Comp Engg.
  NIT Kurukshetra
  +91 8950264227

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 Regards,
 Kamakshi
 kamakshi...@gmail.com

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[algogeeks] MINDTREE

2011-09-09 Thread aayush jain
MINDTREE is coming in my college so is there anyone where MINDTREE has came
recently.
 and can tell me what is procedure and which type of qus. they asked in
written..

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[algogeeks]

2011-09-09 Thread aayush jain
can anybody tell me the code of thisone
we have to count the 3 letter,4letter and 5letter words from a file and
print the number of 3 letter,4letter and 5letter words. Delimiter is space,
tab, hifen. Also we should not consider the line in the file after we
encounter # in that line. (ie after # we should not consider the portion of
line)

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Re: [algogeeks]

2011-09-09 Thread Anup Ghatage
Been done before. Check the archives

On Sat, Sep 10, 2011 at 12:15 AM, aditya kumar aditya.kumar130...@gmail.com
 wrote:

 Given k sorted streams where each stream could possibly be infinite in
 length, describe an efficient algorithm to merge the k streams into a new
 stream (also in sorted order).

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-- 
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Re: [algogeeks]

2011-09-09 Thread Piyush Grover
pseudo algo:

=array idx[0...k-1]  indicates the current pointer position in the ith
stream(initialized to 0).
=heap tree of size k where each node stores value of the data and value of
stream which the node belongs to.

do{
   for all i = 0:k-1
  =insert idx[i] value of ith stream to the heap

   =take the root element of the heap and put it in the output stream.
   =idx[m]++ where m is the stream value stored at the root.

} while(true);



On Sat, Sep 10, 2011 at 12:15 AM, aditya kumar aditya.kumar130...@gmail.com
 wrote:

 Given k sorted streams where each stream could possibly be infinite in
 length, describe an efficient algorithm to merge the k streams into a new
 stream (also in sorted order).

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[algogeeks] informatica interview question

2011-09-09 Thread ravi maggon
1. can recursive func be converted to iterative func always
Yes/No
is vice versa True/False
if False give the example.

2. can recursion be done without stack when converted to iterative sort of
thing or we need to implement our own stack?

-- 

Regards
Ravi Maggon
Final Year, B.E. CSE
Thapar University

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Re: [algogeeks] informatica interview question

2011-09-09 Thread Saikat Debnath
Any recursive function can be converted to iterative function, but the
reverse is not true...

On Sat, Sep 10, 2011 at 1:08 AM, ravi maggon maggonr...@gmail.com wrote:

 1. can recursive func be converted to iterative func always
 Yes/No
 is vice versa True/False
 if False give the example.

 2. can recursion be done without stack when converted to iterative sort of
 thing or we need to implement our own stack?

 --

 Regards
 Ravi Maggon
 Final Year, B.E. CSE
 Thapar University

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[algogeeks] Re: informatica pattern and question of interview

2011-09-09 Thread hashd
 For question 2 I guess finding the minimum element's index should suffice 
(considering all elements are positive integer). No need to even calculate 
n! as it might cause overflow in case the arrary is big. 

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[algogeeks] Re: yahoo

2011-09-09 Thread htross
please someone post wat  question was asked in coding
round.

On Sep 9, 6:55 pm, Dheeraj Sharma dheerajsharma1...@gmail.com wrote:
 yeah..after that their was..one coding..round..and then interviews...
 i didnt gave the coding round..bt i know..that there was..coding round..









 On Fri, Sep 9, 2011 at 5:15 PM, htross htb...@gmail.com wrote:
  its offering 9.55was there a coding round also

  On Sep 9, 4:19 pm, Dheeraj Sharma dheerajsharma1...@gmail.com wrote:
   whch collg wat package?
   last time when it came to our collg..it has 4 questions on
  probablity..2-3
   on c..and rest 15 20 on unix..

   On Fri, Sep 9, 2011 at 3:40 PM, htross htb...@gmail.com wrote:
hi everyone
 yahoo is coming to our college on september 30
 what kind of questions will be asked in first round???
 how to prepare for the first round

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[algogeeks] Re: informatica interview question

2011-09-09 Thread Gene
1.  True and True, though the second depends somewhat on features
supported by the language you are using.  Languages like ML (or OCAML)
and Scheme are designed to support this.

2.  You need somewhere to store state (lambda parameters at the lowest
level). The stack is one mechanism. There are others. Continuations
are an example. They're normally implemented on a garbage-collected
heap.


On Sep 9, 9:38 pm, ravi maggon maggonr...@gmail.com wrote:
 1. can recursive func be converted to iterative func always
 Yes/No
 is vice versa True/False
 if False give the example.

 2. can recursion be done without stack when converted to iterative sort of
 thing or we need to implement our own stack?

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[algogeeks] Re: Element in Array Repeated Even Number of Times

2011-09-09 Thread Gene
It can also be done in O(n) time and space with this.  The XOR
solution of bittusrk is interesting, too. The only advantage of this
one is that it will work for any kind of object, not just numbers.

Let S be the empty set
for all elements E
  if E is in S, remove it else add it
end;
for all elements E
  if E is not in S, print it and exit
end;

Implement S with a bitmap (if the numbers are small) or a hash
table.

Cheers

On Sep 7, 11:48 pm, Dave dave_and_da...@juno.com wrote:
 @Sandy: It can be done in O(n) time with O(n) extra space by sorting
 the data with a radix sort and then scanning the array for the element
 you are seeking.

 Dave

 On Sep 7, 11:43 am, Sandy sandy.wad...@gmail.com wrote:



  You have an array in which every number is repeated odd number of times
  except one.  Write a function to find that one element in O(n) time.

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Re: [algogeeks] Re: informatica pattern and question of interview

2011-09-09 Thread Neha Singh
i agree with hashd.

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[algogeeks] virtual table count

2011-09-09 Thread ravi maggon
let their be two classes A and B having a virtual function.
class C derives both class A and B.
How many virtual table does class C have?


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[algogeeks] worst case complexity

2011-09-09 Thread ravi maggon
What is the complexity of this code

for(i=0;in;i++)
{
for(j=0;ji*i;j++)
{
for(k=0;kj;k++)
}
}

1. O(n^3)
2. O(n^4)
3. O(n^5)
4. O(n^6)
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[algogeeks] tree traversal

2011-09-09 Thread ravi maggon
give some traversal other then pre,in and post order to print all elements
of tree?
Asked in informatica interview.

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Re: [algogeeks] worst case complexity

2011-09-09 Thread Neha Singh
O(n^5)

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[algogeeks] semaphores

2011-09-09 Thread ravi maggon
tell the out of the below code related to mutex and semaphore

process1
wait(mutex);
print 0
print 1
signal(mutex);


process2

wait(mutex)
print 1
print 0
signal(mutex)

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Re: [algogeeks] tree traversal

2011-09-09 Thread Shravan Kumar
zigzag, level by level ?

On Sat, Sep 10, 2011 at 10:48 AM, ravi maggon maggonr...@gmail.com wrote:

 give some traversal other then pre,in and post order to print all elements
 of tree?
 Asked in informatica interview.

 --

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 Ravi Maggon
 Final Year, B.E. CSE
 Thapar University

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Re: [algogeeks] semaphores

2011-09-09 Thread Neha Singh
0110  or 1001  depending on how the processes r scheduled

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Re: [algogeeks] tree traversal

2011-09-09 Thread ravi maggon
can u elaborate its algo

On Sat, Sep 10, 2011 at 10:58 AM, Shravan Kumar shrava...@gmail.com wrote:

 zigzag, level by level ?

 On Sat, Sep 10, 2011 at 10:48 AM, ravi maggon maggonr...@gmail.comwrote:

 give some traversal other then pre,in and post order to print all elements
 of tree?
 Asked in informatica interview.

 --

 Regards
 Ravi Maggon
 Final Year, B.E. CSE
 Thapar University

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Re: [algogeeks] worst case complexity

2011-09-09 Thread ravi maggon
I think it should be n^3

On Sat, Sep 10, 2011 at 10:51 AM, Neha Singh neha.ndelhi.1...@gmail.comwrote:

 O(n^5)

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Re: [algogeeks] Re: informatica pattern and question of interview

2011-09-09 Thread ravi maggon
interviewer also made addition to this ques of increment by 1 that you can't
do multiplication.

On Sat, Sep 10, 2011 at 10:08 AM, Neha Singh neha.ndelhi.1...@gmail.comwrote:

 i agree with hashd.

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Re: [algogeeks] worst case complexity

2011-09-09 Thread siddharam suresh
first loop n
send loop n^2
third loop n(i m not sure)
so  n^4
Thank you,
Sid.



On Sat, Sep 10, 2011 at 11:09 AM, ravi maggon maggonr...@gmail.com wrote:

 I think it should be n^3


 On Sat, Sep 10, 2011 at 10:51 AM, Neha Singh 
 neha.ndelhi.1...@gmail.comwrote:

 O(n^5)

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Re: [algogeeks] tree traversal

2011-09-09 Thread amrit harry
there is one more way  called as.. Level order traversing or spiral
traversing google this term u will find a new method.

On Sat, Sep 10, 2011 at 11:08 AM, ravi maggon maggonr...@gmail.com wrote:

 can u elaborate its algo


 On Sat, Sep 10, 2011 at 10:58 AM, Shravan Kumar shrava...@gmail.comwrote:

 zigzag, level by level ?

 On Sat, Sep 10, 2011 at 10:48 AM, ravi maggon maggonr...@gmail.comwrote:

 give some traversal other then pre,in and post order to print all
 elements of tree?
 Asked in informatica interview.

 --

 Regards
 Ravi Maggon
 Final Year, B.E. CSE
 Thapar University

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