2. Implement depth-first traversal (DFT) algorithm in graphs a stack ap- plication as given below. dft(g, s) //g is a graph, s is start vertex t <- create a stack dmap <- create a map of values for the vertices in g where the value associated with each vertex is false push s onto q mark s as discovered in dmap while t is not empty do V <- pop from t print "v is visited." for all edges of the form (v,w) in g do if w is not discovered in dmap then %3D push w onto q mark w as discovered in dmap endif endfor endwhile end

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Author:James Kurose, Keith Ross
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-Implement depth-first traversal (DFT) algorithm in graphs a stack ap- plication as given below.

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2. Implement depth-first traversal (DFT) algorithm in graphs a stack ap-
plication as given below.
dft(g, s) //g is a graph, s is start vertex
t <- create a stack
dmap <- create a map of values for the vertices in g where the
value associated with each vertex is false
push s onto q
mark s as discovered in dmap
while t is not empty do
V <- pop from t
print "v is visited.'
for all edges of the form (v,w) in g do
if w is not discovered in dmap then
push w onto q
mark w as discovered in dmap
endif
endfor
endwhile
end
Transcribed Image Text:2. Implement depth-first traversal (DFT) algorithm in graphs a stack ap- plication as given below. dft(g, s) //g is a graph, s is start vertex t <- create a stack dmap <- create a map of values for the vertices in g where the value associated with each vertex is false push s onto q mark s as discovered in dmap while t is not empty do V <- pop from t print "v is visited.' for all edges of the form (v,w) in g do if w is not discovered in dmap then push w onto q mark w as discovered in dmap endif endfor endwhile end
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