LeetCode #662 Maximum Width of Binary Tree 二叉树最大宽度
662MaximumWidthofBinaryTree二叉树最大宽度Description:Giventherootofabinarytree,returnthemaximumwidthofthegiventree.Themaximumwidthofatreeisthemaximumwidthamongalllevels.Thewidthofonelevelisdefinedasthelength