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veryjos/gist:851e992b7e1d754050b581e65b14a3e1

Created November 27, 2017 03:48
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gistfile1.txt
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/
Add
/ \
1 4
Start at print node, postorder traversal:
| Node: Print
|
| Visit left
| | Node: Add
| |
| | Visit left
| | | Node: 1
| | |
| | | stack.push(1)
| |
| | Visit right
| | | Node: 4
| | |
| | | stack.push(4)
| |
| | RighthandValue = stack.pop()
| | LefthandValue = stack.pop()
| |
| | Push RighthandValue + LefthandValue
|
| ValueToPrint = stack.pop()
| Print(ValueToPrint)
|
| Visit Right
end traversal
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