2020年11月17日
LeetCode 513. Find Bottom Left Tree Value
摘要： Given a binary tree, find the leftmost value in the last row of th... 阅读全文
posted @ 2020-11-17 11:53 EvanMeetTheWorld 阅读(22) 评论(0) 推荐(0)
LeetCode 236. Lowest Common Ancestor of a Binary Tree
摘要： LCA problem, a really classic one. so you must really understand t... 阅读全文
posted @ 2020-11-17 10:49 EvanMeetTheWorld 阅读(14) 评论(0) 推荐(0)
Stack的两种实现方式
摘要： LinkedList stack = new LinkedList(); //push and popDeque stack = n... 阅读全文
posted @ 2020-11-17 10:15 EvanMeetTheWorld 阅读(30) 评论(0) 推荐(0)