2019年5月19日
LeetCode 965. Univalued Binary Tree
摘要： 965. Univalued Binary Tree 965. Univalued Binary Tree A binary tree is univalued if every node in the tree has the same value. Return true if and only 阅读全文
posted @ 2019-05-19 13:30 douzujun 阅读(160) 评论(0) 推荐(0)
LeetCode 938. Range Sum of BST
摘要： 938. Range Sum of BST Given the root node of a binary search tree, return the sum of values of all nodes with value between L and R (inclusive). The b 阅读全文
posted @ 2019-05-19 13:05 douzujun 阅读(293) 评论(0) 推荐(0)