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s = PickSource()
t = PickSink()
dist[s] = 0
PQ.Insert(s,dist[s])
v = PQ.DeleteMin()
while
v != t:
for
w
in
Neighborhood(v):
if
dist[w] == gInfinity:
pred[w] = v
dist[w] = dist[v] + length[(v,w)]
PQ.Insert(w,dist[w])
elif
dist[w] > dist[v] + length[(v,w)]:
pred[w] = v
dist[w] = dist[v] + length[(v,w)]
PQ.DecreaseKey(w,dist[w])
v = PQ.DeleteMin()
ShowPath(s,t)