Fix for single node tree #1
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Fix for single node tree. Currently it will put nothing in result
rajatag03
reviewed
Apr 22, 2021
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| public void preorderHelper(Node node) { | ||
| if(node.children == null) return; | ||
| if(node == null) return; //tree with single node case missing |
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Fix for single node tree. Currently it will put nothing in result