use line sweep method
On 7/20/11, Dumanshu duman...@gmail.com wrote:
Describe
an
algorithm
that
takes an
unsorted
array
of
axis‐
aligned
rectangles
and returns
any
pair
of
rectangles
that
overlaps,
if
there
is such
a
pair.
Axis‐aligned means
that
all
the
rectangle
sides
are
either
parallel
or
perpendicular
to
the
x
and y‐axis.
You
can
assume
that each
rectangle
object
has
two
variables
in
it :
the
x‐y coordinates
of
the
upper‐left
corner
and
the
bottom‐right
corner.
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Somnath Singh
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