题目: ​ 有 N 个房间,开始时你位于 0 号房间.每个房间有不同的号码:0,1,2,...,N-1,并且房间里可能有一些钥匙能使你进入下一个房间. ​ 在形式上,对于每个房间 i 都有一个钥匙列表 rooms[i],每个钥匙 rooms[i][j] 由 [0,1,...,N-1] 中的一个整数表示,其中 N = rooms.length. 钥匙 rooms[i][j] = v 可以打开编号为 v 的房间. 最初,除 0 号房间外的其余所有房间都被锁住. 你可以自由地在房间之间来回走动. 如果…

There are N rooms and you start in room 0.  Each room has a distinct number in 0, 1, 2, ..., N-1, and each room may have some keys to access the next room. Formally, each room i has a list of keys rooms[i], and each key rooms[i][j] is an integer in […

841. 钥匙和房间 知识点:图:递归 题目描述 有 N 个房间,开始时你位于 0 号房间.每个房间有不同的号码:0,1,2,...,N-1,并且房间里可能有一些钥匙能使你进入下一个房间. 在形式上,对于每个房间 i 都有一个钥匙列表 rooms[i],每个钥匙 rooms[i][j] 由 [0,1,...,N-1] 中的一个整数表示,其中 N = rooms.length. 钥匙 rooms[i][j] = v 可以打开编号为 v 的房间. 最初,除 0 号房间外的其余所有房间都被锁住. 你可…

题目 有 N 个房间,开始时你位于 0 号房间.每个房间有不同的号码:0,1,2,...,N-1,并且房间里可能有一些钥匙能使你进入下一个房间. 在形式上,对于每个房间 i 都有一个钥匙列表 rooms[i],每个钥匙 rooms[i][j] 由 [0,1,...,N-1] 中的一个整数表示,其中 N = rooms.length. 钥匙 rooms[i][j] = v 可以打开编号为 v 的房间. 最初,除 0 号房间外的其余所有房间都被锁住. 你可以自由地在房间之间来回走动. 如果能进入每个…

There are N rooms and you start in room 0.  Each room has a distinct number in 0, 1, 2, ..., N-1, and each room may have some keys to access the next room. Formally, each room i has a list of keys rooms[i], and each key rooms[i][j] is an integer in […

""" There are N rooms and you start in room 0. Each room has a distinct number in 0, 1, 2, ..., N-1, and each room may have some keys to access the next room. Formally, each room i has a list of keys rooms[i], and each key rooms[i][j] is an…

There are N rooms and you start in room 0.  Each room has a distinct number in 0, 1, 2, ..., N-1, and each room may have some keys to access the next room. Formally, each room i has a list of keys rooms[i], and each key rooms[i][j] is an integer in […

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 DFS BFS 日期 题目地址:https://leetcode.com/problems/keys-and-rooms/description/ 题目描述 There are N rooms and you start in room 0. Each room has a distinct number in 0, 1, 2, -, N-1, an…

原题链接在这里:https://leetcode.com/problems/keys-and-rooms/ 题目: There are N rooms and you start in room 0.  Each room has a distinct number in 0, 1, 2, ..., N-1, and each room may have some keys to access the next room. Formally, each room i has a list of…

题目链接:https://leetcode.com/problems/keys-and-rooms/description/ 简单DFS time:9ms 1 class Solution { 2 public: 3 void DFS(int root,vector<int>& visited,vector<vector<int>>& rooms){ 4 visited[root] = 1; 5 for(auto x : rooms[root]){ 6…