2019年3月11日
128. Longest Consecutive Sequence
摘要： Given an unsorted array of integers, find the length of the longest consecutive elements sequence. Your algorithm should run in O(n) complexity. Examp 阅读全文
posted @ 2019-03-11 12:15 Schwifty 阅读(134) 评论(0) 推荐(0)
116. Populating Next Right Pointers in Each Node
摘要： You are given a perfect binary tree where all leaves are on the same level, and every parent has two children. The binary tree has the following defin 阅读全文
posted @ 2019-03-11 11:40 Schwifty 阅读(217) 评论(0) 推荐(0)