Given a list of airline tickets represented by pairs of departure and arrival airports [from, to], reconstruct the itinerary in order. All of the tickets belong to a man who departs from JFK. Thus, the itinerary must begin with JFK. Note: If there ar…

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 后序遍历 相似题目 参考资料 日期 题目地址:https://leetcode.com/problems/reconstruct-itinerary/description/ 题目描述 Given a list of airline tickets represented by pairs of departure and arrival airpo…

1. Description Given a list of airline tickets represented by pairs of departure and arrival airports [from, to], reconstruct the itinerary in order. All of the tickets belong to a man who departs from JFK. Thus, the itinerary must begin with JFK. No…

题目: Given a list of airline tickets represented by pairs of departure and arrival airports [from, to], reconstruct the itinerary in order. All of the tickets belong to a man who departs from JFK. Thus, the itinerary must begin with JFK. Note: If ther…

1. build the graph and then dfs -- graph <String, List<String>>,  (the value is sorted and non- duplicate) Collections.sort(value) 2. dfs we use bottom-up to store the path and reverse it finally. And to check if visited or not, we remove the…

Given a list of airline tickets represented by pairs of departure and arrival airports [from, to], reconstruct the itinerary in order. All of the tickets belong to a man who departs from JFK. Thus, the itinerary must begin with JFK.Note:    If there…

class Solution { public: vector<string> path; unordered_map<string, multiset<string>> m; vector<string> findItinerary(vector<pair<string, string>> tickets) { for (auto &p : tickets) m[p.first].insert(p.second); dfs(…

332. 重新安排行程 给定一个机票的字符串二维数组 [from, to],子数组中的两个成员分别表示飞机出发和降落的机场地点,对该行程进行重新规划排序.所有这些机票都属于一个从JFK(肯尼迪国际机场)出发的先生,所以该行程必须从 JFK 出发. 说明: 如果存在多种有效的行程,你可以按字符自然排序返回最小的行程组合.例如,行程 ["JFK", "LGA"] 与 ["JFK", "LGB"] 相比就更小,排序更靠前 所有的机场…

重新安排行程 给定一个机票的字符串二维数组[from, to],子数组中的两个成员分别表示飞机出发和降落的机场地点,对该行程进行重新规划排序.所有这些机票都属于一个从JFK(肯尼迪国际机场)出发的先生,所以该行程必须从 JFK 出发. 说明: 如果存在多种有效的行程,你可以按字符自然排序返回最小的行程组合.例如,行程 ["JFK", "LGA"] 与 ["JFK", "LGB"] 相比就更小,排序更靠前 所有的机场都用三个大写…

Given a list of airline tickets represented by pairs of departure and arrival airports [from, to], reconstruct the itinerary in order. All of the tickets belong to a man who departs from JFK. Thus, the itinerary must begin with JFK. Note: If there ar…