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Handling Extra Case #182

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Handling Extra Case #182

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2 changes: 1 addition & 1 deletion java/Chapter 4/Question4_7/QuestionB.java
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ public static TreeNode commonAncestorHelper(TreeNode root, TreeNode p, TreeNode
}
boolean is_p_on_left = covers(root.left, p);
boolean is_q_on_left = covers(root.left, q);
if (is_p_on_left != is_q_on_left) { // Nodes are on different side
if (is_p_on_left != is_q_on_left || root == p || root == q) { // Nodes are on different side
return root;
}
TreeNode child_side = is_p_on_left ? root.left : root.right;
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