2017年9月19日
[LeetCode] Balanced Binary Tree
摘要： Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as a binary tree in which the dept 阅读全文
posted @ 2017-09-19 22:43 immjc 阅读(159) 评论(0) 推荐(0)
[LeetCode] Find Mode in Binary Search Tree
摘要： Given a binary search tree (BST) with duplicates, find all the mode(s) (the most frequently occurred element) in the given BST. Assume a BST is define 阅读全文
posted @ 2017-09-19 21:40 immjc 阅读(129) 评论(0) 推荐(0)
[LeetCode] Repeated Substring Pattern
摘要： Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may a 阅读全文
posted @ 2017-09-19 17:41 immjc 阅读(140) 评论(0) 推荐(0)