摘要: 题目描述: 方法:剥洋葱 class Solution: def findMinHeightTrees(self, n: int, edges: List[List[int]]) -> List[int]: if n==1:return [0] e = collections.defaultdict 阅读全文
posted @ 2019-10-12 11:42 oldby 阅读(72) 评论(0) 推荐(0) 编辑