摘要: 题目描述: 第一次提交:参考113-路径总和② class Solution: def binaryTreePaths(self, root: TreeNode) -> List[str]: r = [] if not root: return r l = "" def path(root, l): 阅读全文
posted @ 2019-03-28 18:05 oldby 阅读(133) 评论(0) 推荐(0) 编辑