5.1.5 Binary Tree Level Order Traversal II
2014-07-14 07:50
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https://oj.leetcode.com/problems/binary-tree-level-order-traversal-ii/
跟上题5.1.4 Binary Tree Level Order Traversal 的解法一样。两种解法。
在加val的时候创建一个栈，然后最后通过栈实现反转。
或者：最后加一句：Collections.reverse(result);
//Ref: http://blog.csdn.net/linhuanmars/article/details/23414711
跟上题5.1.4 Binary Tree Level Order Traversal 的解法一样。两种解法。
在加val的时候创建一个栈，然后最后通过栈实现反转。
或者：最后加一句：Collections.reverse(result);
//Ref: http://blog.csdn.net/linhuanmars/article/details/23414711
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