You have two branches -- say 'left' and 'right'.
Instead of modifying the tree you can modify how you traverse it.
Where you would choose 'left', instead choose 'right'. Where you would choose 'right', instead choose 'left'.
Ah gotcha, yes!
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You have two branches -- say 'left' and 'right'.
Instead of modifying the tree you can modify how you traverse it.
Where you would choose 'left', instead choose 'right'.
Where you would choose 'right', instead choose 'left'.
Ah gotcha, yes!