6 lines
160 B
Text
6 lines
160 B
Text
| ?- ?- tree_traversal::orders.
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Pre-order: 1 2 4 7 5 3 6 8 9
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In-order: 7 4 2 5 1 8 6 9 3
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Post-order: 7 4 5 2 8 9 6 3 1
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Level-order: 1 2 3 4 5 6 7 8 9
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yes
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