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Update ACM模式如何构建二叉树.md
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@ -276,6 +276,7 @@ func printBinaryTree(root *TreeNode, n int) {
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// 清除队列中的本层节点, 进入下一层遍历
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queue = queue[len(queue):]
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}
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// 参数n控制输出值数量, 否则二叉树最后一层叶子节点的孩子节点也会被打印(但是这些孩子节点是不存在的).
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fmt.Println(result[:n])
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}
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