摘要: Given a non-empty binary tree, return the average value of the nodes on each level in the form of an array. Example 1: Note: 以数组的形式返回每个层次上的节点的平均值 C++( 阅读全文
posted @ 2017-12-08 16:24 __Meng 阅读(176) 评论(0) 推荐(0)