Re: [algogeeks] Amazon - max substring

2011-06-29 Thread Piyush Sinha
i think suffix tres will do the job if i have not misunderstood the question...

On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
 Given a string (assume there no spaces or punctuations), write a code that
 returns the max. length of the string that has repeated more than once.

 Thanks,
 Swathi

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Re: [algogeeks] Amazon - max substring

2011-06-29 Thread Swathi
It does but i am asked to code.. if you know the code for suffix tree then
please provide..

On Wed, Jun 29, 2011 at 10:30 PM, Piyush Sinha ecstasy.piy...@gmail.comwrote:

 i think suffix tres will do the job if i have not misunderstood the
 question...

 On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
  Given a string (assume there no spaces or punctuations), write a code
 that
  returns the max. length of the string that has repeated more than once.
 
  Thanks,
  Swathi
 
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Re: [algogeeks] Amazon - max substring

2011-06-29 Thread Piyush Sinha
I dnt think any company is gonna ask u to code suffix tree..:P :P

On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
 It does but i am asked to code.. if you know the code for suffix tree then
 please provide..

 On Wed, Jun 29, 2011 at 10:30 PM, Piyush Sinha
 ecstasy.piy...@gmail.comwrote:

 i think suffix tres will do the job if i have not misunderstood the
 question...

 On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
  Given a string (assume there no spaces or punctuations), write a code
 that
  returns the max. length of the string that has repeated more than once.
 
  Thanks,
  Swathi
 
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Re: [algogeeks] Amazon - max substring

2011-06-29 Thread Swathi
I dont know why people reply in plain words.. I personally had this
experience and i was asked to code but i couldn't

On Wed, Jun 29, 2011 at 10:53 PM, Piyush Sinha ecstasy.piy...@gmail.comwrote:

 I dnt think any company is gonna ask u to code suffix tree..:P :P

 On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
  It does but i am asked to code.. if you know the code for suffix tree
 then
  please provide..
 
  On Wed, Jun 29, 2011 at 10:30 PM, Piyush Sinha
  ecstasy.piy...@gmail.comwrote:
 
  i think suffix tres will do the job if i have not misunderstood the
  question...
 
  On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
   Given a string (assume there no spaces or punctuations), write a code
  that
   returns the max. length of the string that has repeated more than
 once.
  
   Thanks,
   Swathi
  
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Re: [algogeeks] Amazon - max substring

2011-06-29 Thread Ashish Goel
chk this and try to write urself
http://www.allisons.org/ll/AlgDS/Tree/Suffix/

people hv right to decide if they want to WAP or not.

Best Regards
Ashish Goel
Think positive and find fuel in failure
+919985813081
+919966006652


On Wed, Jun 29, 2011 at 10:55 PM, Swathi chukka.swa...@gmail.com wrote:

 I dont know why people reply in plain words.. I personally had this
 experience and i was asked to code but i couldn't


 On Wed, Jun 29, 2011 at 10:53 PM, Piyush Sinha 
 ecstasy.piy...@gmail.comwrote:

 I dnt think any company is gonna ask u to code suffix tree..:P :P

 On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
  It does but i am asked to code.. if you know the code for suffix tree
 then
  please provide..
 
  On Wed, Jun 29, 2011 at 10:30 PM, Piyush Sinha
  ecstasy.piy...@gmail.comwrote:
 
  i think suffix tres will do the job if i have not misunderstood the
  question...
 
  On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
   Given a string (assume there no spaces or punctuations), write a code
  that
   returns the max. length of the string that has repeated more than
 once.
  
   Thanks,
   Swathi
  
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Re: [algogeeks] Amazon - max substring

2011-06-29 Thread Swathi
I never said you don't have right but even after saying they asked me to
write the code.. you are asking the same question which is not at all good..


On Wed, Jun 29, 2011 at 11:01 PM, Ashish Goel ashg...@gmail.com wrote:

 chk this and try to write urself
 http://www.allisons.org/ll/AlgDS/Tree/Suffix/

 people hv right to decide if they want to WAP or not.

 Best Regards
 Ashish Goel
 Think positive and find fuel in failure
 +919985813081
 +919966006652


 On Wed, Jun 29, 2011 at 10:55 PM, Swathi chukka.swa...@gmail.com wrote:

 I dont know why people reply in plain words.. I personally had this
 experience and i was asked to code but i couldn't


 On Wed, Jun 29, 2011 at 10:53 PM, Piyush Sinha 
 ecstasy.piy...@gmail.comwrote:

 I dnt think any company is gonna ask u to code suffix tree..:P :P

 On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
  It does but i am asked to code.. if you know the code for suffix tree
 then
  please provide..
 
  On Wed, Jun 29, 2011 at 10:30 PM, Piyush Sinha
  ecstasy.piy...@gmail.comwrote:
 
  i think suffix tres will do the job if i have not misunderstood the
  question...
 
  On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
   Given a string (assume there no spaces or punctuations), write a
 code
  that
   returns the max. length of the string that has repeated more than
 once.
  
   Thanks,
   Swathi
  
   --
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Re: [algogeeks] Amazon - max substring

2011-06-29 Thread Piyush Sinha
jokes apart...then i think it can be done using dynamic programming
using the similar approach of LCS but the time and space complexity
both will be N^2.i am working on the pseudocode and post it within
a few moments if it works..

On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
 I dont know why people reply in plain words.. I personally had this
 experience and i was asked to code but i couldn't

 On Wed, Jun 29, 2011 at 10:53 PM, Piyush Sinha
 ecstasy.piy...@gmail.comwrote:

 I dnt think any company is gonna ask u to code suffix tree..:P :P

 On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
  It does but i am asked to code.. if you know the code for suffix tree
 then
  please provide..
 
  On Wed, Jun 29, 2011 at 10:30 PM, Piyush Sinha
  ecstasy.piy...@gmail.comwrote:
 
  i think suffix tres will do the job if i have not misunderstood the
  question...
 
  On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
   Given a string (assume there no spaces or punctuations), write a code
  that
   returns the max. length of the string that has repeated more than
 once.
  
   Thanks,
   Swathi
  
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Re: [algogeeks] Amazon - max substring

2011-06-29 Thread Ashish Goel
how abt two passes

first one makes a multi map of char and its positions
second one a bit tricky to


eg



abcabcabc


first pass

a,0,3,6,
b,1,4,7
c,2,5,8


second pass


first char is a, its next position is 3(find thrugh the map)
repeated substring can be of length 3

for loop with this (count-1)
if three char matchs, mean repeat, otherwise move to next position eg 6 in
this case for a and compare str[1] to str[6] for next 6-0-1 chars and see if
6 chars match this way and so on... if no repeat is found this way, move to
next char in the string i.e. str[1] in this case..


Best Regards
Ashish Goel
Think positive and find fuel in failure
+919985813081
+919966006652


On Wed, Jun 29, 2011 at 11:10 PM, Piyush Sinha ecstasy.piy...@gmail.comwrote:

 jokes apart...then i think it can be done using dynamic programming
 using the similar approach of LCS but the time and space complexity
 both will be N^2.i am working on the pseudocode and post it within
 a few moments if it works..

 On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
  I dont know why people reply in plain words.. I personally had this
  experience and i was asked to code but i couldn't
 
  On Wed, Jun 29, 2011 at 10:53 PM, Piyush Sinha
  ecstasy.piy...@gmail.comwrote:
 
  I dnt think any company is gonna ask u to code suffix tree..:P :P
 
  On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
   It does but i am asked to code.. if you know the code for suffix tree
  then
   please provide..
  
   On Wed, Jun 29, 2011 at 10:30 PM, Piyush Sinha
   ecstasy.piy...@gmail.comwrote:
  
   i think suffix tres will do the job if i have not misunderstood the
   question...
  
   On 6/29/11, Swathi chukka.swa...@gmail.com wrote:
Given a string (assume there no spaces or punctuations), write a
 code
   that
returns the max. length of the string that has repeated more than
  once.
   
Thanks,
Swathi
   
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