Java for LeetCode 094 Binary Tree Inorder Traversal
2015-05-20 22:55
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解题思路：
中序遍历，左子树-根节点-右子树
JAVA实现如下：
中序遍历，左子树-根节点-右子树
JAVA实现如下：
public List<Integer> inorderTraversal(TreeNode root) {
List<Integer> list = new ArrayList<Integer>();
if(root==null)
return list;
if (root.left != null)
list.addAll(inorderTraversal(root.left));
list.add(root.val);
if (root.right != null)
list.addAll(inorderTraversal(root.right));
return list;
}
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