Re: [algogeeks] find point lies in side circle

2012-01-07 Thread shady
@sravanreddy i dont think that will work,

On Fri, Jan 6, 2012 at 9:01 PM, sravanreddy001 sravanreddy...@gmail.comwrote:

 @dabbcomputers: looking at the worstcase, listing all points in the set
 itself takes O(n) time,

 just to speed up the time would be sort all the points(x,y) wrt  x-values
  another with sorting on y-values,
 and restrict the target solution space to (x +(or)- R)  (y +(or)- R) and
 work on those points, its easy to get the list of points with in the range
 on a sorted set.

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Re: [algogeeks] find point lies in side circle

2012-01-06 Thread sravanreddy001
@dabbcomputers: looking at the worstcase, listing all points in the set 
itself takes O(n) time,

just to speed up the time would be sort all the points(x,y) wrt  x-values  
another with sorting on y-values, 
and restrict the target solution space to (x +(or)- R)  (y +(or)- R) and 
work on those points, its easy to get the list of points with in the range 
on a sorted set.

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[algogeeks] find point lies in side circle

2012-01-05 Thread dabbcomputers
you are given with N points on graph. and a point A on graph and range
R you have to find the points that lies within the radius of R from
point A. with complexity less than O(N).

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Re: [algogeeks] find point lies in side circle

2012-01-05 Thread UTKARSH SRIVASTAV
we can do bfs. from the point A do bfs until distance = R

On Fri, Jan 6, 2012 at 12:47 AM, shady sinv...@gmail.com wrote:

 problem link ?


 On Thu, Jan 5, 2012 at 5:47 PM, dabbcomputers dabbcomput...@gmail.comwrote:

 you are given with N points on graph. and a point A on graph and range
 R you have to find the points that lies within the radius of R from
 point A. with complexity less than O(N).

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*UTKARSH SRIVASTAV
CSE-3
B-Tech 3rd Year
@MNNIT ALLAHABAD*

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Re: [algogeeks] find point lies in side circle

2012-01-05 Thread amrit harry
@shady this problem is not from the online  contest. i need this in my
project
@utkarsh please elloborate your idea in more detail

On Fri, Jan 6, 2012 at 9:40 AM, UTKARSH SRIVASTAV
usrivastav...@gmail.comwrote:

 we can do bfs. from the point A do bfs until distance = R

 On Fri, Jan 6, 2012 at 12:47 AM, shady sinv...@gmail.com wrote:

 problem link ?


 On Thu, Jan 5, 2012 at 5:47 PM, dabbcomputers dabbcomput...@gmail.comwrote:

 you are given with N points on graph. and a point A on graph and range
 R you have to find the points that lies within the radius of R from
 point A. with complexity less than O(N).

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 *UTKARSH SRIVASTAV
 CSE-3
 B-Tech 3rd Year
 @MNNIT ALLAHABAD*


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