2020年6月7日
leetcode 1315. Sum of Nodes with Even-Valued Grandparent
摘要： Given a binary tree, return the sum of values of nodes with even-valued grandparent. (A grandparent of a node is the parent of its parent, if it exist 阅读全文
posted @ 2020-06-07 23:34 琴影 阅读(340) 评论(0) 推荐(0) 编辑