题目要求 In an alien language, surprisingly they also use english lowercase letters, but possibly in a different order. The order of the alphabet is some permutation of lowercase letters. Given a sequence of words written in the alien language, and the o…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 日期 题目地址:https://leetcode.com/contest/weekly-contest-114/problems/verifying-an-alien-dictionary/ 题目描述 In an alien language, surprisingly they also use english lowercase letters,…

原题链接在这里:https://leetcode.com/problems/verifying-an-alien-dictionary/ 题目: In an alien language, surprisingly they also use english lowercase letters, but possibly in a different order. The order of the alphabet is some permutation of lowercase letters…

题目标签:HashMap 题目给了我们一个 order 和 words array,让我们依照order 来判断 words array 是否排序. 利用hashmap 把order 存入 map, 写一个helper method 来判断每临近的两个 word 是否排序正确. 遍历words array,依次比较临近的两个words. 具体看code. Java Solution: Runtime: 5 ms, faster than 64.55% Memory Usage: 38.2 MB,…

problem 953. Verifying an Alien Dictionary solution: class Solution { public: bool isAlienSorted(vector<string>& words, string order) { unordered_map<char, int> alien_order; ; i<order.size(); i++) { alien_order[order[i]-'a'] = i; } for(…

题目如下: In an alien language, surprisingly they also use english lowercase letters, but possibly in a different order. The order of the alphabet is some permutation of lowercase letters. Given a sequence of words written in the alien language, and the …

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 字典 汉明间距 日期 题目地址:https://leetcode.com/problems/implement-magic-dictionary/description/ 题目描述 Implement a magic directory with buildDict, and search methods. For the method buildD…

In an alien language, surprisingly they also use english lowercase letters, but possibly in a different order. The order of the alphabet is some permutation of lowercase letters. Given a sequence of words written in the alien language, and the order…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 迭代 递归 日期 [LeetCode] 题目地址:https://leetcode.com/problems/reverse-linked-list/ Total Accepted: 105474 Total Submissions: 267077 Difficulty: Easy 题目描述 Reverse a singly linked list.…

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 递归 日期 题目地址:https://leetcode.com/problems/maximum-binary-tree/description/ 题目描述 Given an integer array with no duplicates. A maximum tree building on this array is defined as fol…