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Dirty-kebab (talk | contribs) m add missing null node check to iterative Post/In order |
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Line 142:
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'''procedure''' iterativePostorder(node)
'''if''' node = '''null'''
'''return'''
stack ← '''empty stack'''
lastNodeVisited ← '''null'''
Line 172 ⟶ 174:
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'''procedure''' iterativeInorder(node)
'''if''' node = '''null'''
'''return'''
stack ← '''empty stack'''
'''while''' '''not''' stack.isEmpty() '''or''' node ≠ '''null'''
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