摘要: A message containing letters from A-Z is being encoded to numbers using the following mapping: Given a non-empty string containing only digits, determ 阅读全文
posted @ 2019-02-23 19:16 TobicYAL 阅读(148) 评论(0) 推荐(0) 编辑
摘要: Given a collection of integers that might contain duplicates, nums, return all possible subsets (the power set). Note: The solution set must not conta 阅读全文
posted @ 2019-02-23 17:01 TobicYAL 阅读(98) 评论(0) 推荐(0) 编辑
摘要: The gray code is a binary numeral system where two successive values differ in only one bit. Given a non-negative integer n representing the total num 阅读全文
posted @ 2019-02-23 13:50 TobicYAL 阅读(176) 评论(0) 推荐(0) 编辑
摘要: Given a string s1, we may represent it as a binary tree by partitioning it to two non-empty substrings recursively. Below is one possible representati 阅读全文
posted @ 2019-02-23 10:57 TobicYAL 阅读(183) 评论(0) 推荐(0) 编辑
摘要: Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should preserve the 阅读全文
posted @ 2019-02-23 09:37 TobicYAL 阅读(135) 评论(0) 推荐(0) 编辑
摘要: Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing only 1's and return its area. Example: 题意 找图中由1组成的最大矩形 题解 1 cl 阅读全文
posted @ 2019-02-23 09:20 TobicYAL 阅读(155) 评论(0) 推荐(0) 编辑