2020年6月23日
590. N-ary Tree Postorder Traversal
摘要： Given an n-ary tree, return the postorder traversal of its nodes' values. Nary-Tree input serialization is represented in their level order traversal, 阅读全文
posted @ 2020-06-23 22:12 Schwifty 阅读(127) 评论(0) 推荐(0)
561. Array Partition I
摘要： Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum of 阅读全文
posted @ 2020-06-23 13:17 Schwifty 阅读(156) 评论(0) 推荐(0)