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import java.util.*;
public class NAryTreeTraversals {
// Inorder Traversal for N-ary Tree
public List<Integer> inorder(Node root) {
List<Integer> result = new ArrayList<>();
inorderHelper(root, result);
return result;
}
private void inorderHelper(Node node, List<Integer> result) {
if (node == null) return;
int n = node.children.size();
for (int i = 0; i < n; i++) {
// Visit the first half of the children
if (i == n / 2) {
result.add(node.val); // Visit the root
}
inorderHelper(node.children.get(i), result);
}
// If there are no children, add the root (edge case)
if (n == 0) {
result.add(node.val);
}
}
}
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