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Postorder Traversal
VisitingVisited
binary search tree
left is smaller, right is larger
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pseudocode
postorder(node)if node is null: returnpostorder(node.left)postorder(node.right)visit(node)
output
nothing visited yet
Frame 1 / 16
Starting tree
7 values inserted
4
3–9 unique integers, 1–99 each — inserted in order to build the starting tree.