输入:numCourses = 2, prerequisites = [[1,0]]输出:[0,1]解释:总共有 2 门课程。要学习课程 1,你需要先完成课程 0。因此,正确的课程顺序为[0,1] 。 示例2: 输入:numCourses = 4, prerequisites = [[1,0],[2,0],[3,1],[3,2]]输出:[0,2,1,3]解释:总共有 4 门课程。要学习课程 3,...
Well, this problem is spiritually similar to toCourse Schedule. You only need to store the nodes in the order you visit into a vector during BFS or DFS. Well, for DFS, a final reversal is required. BFS 1classSolution {2public:3vector<int> findOrder(intnumCourses, vector<pair<int,int>...
Course Schedule II There are a total ofncourses you have to take, labeled from0ton-1. Some courses may have prerequisites, for example to take course 0 you have to first take course 1, which is expressed as a pair:[0,1] Given the total number of courses and a list of prerequisitepai...
https://leetcode.com/problems/course-schedule-ii/ 题目: There are a total of n courses you have to take, labeled from 0 to n - 1. Some courses may have prerequisites, for example to take course 0 you have to first take course 1, which is expressed as a pair: [0,1] Given the ...
Some courses may have prerequisites, for example to take course 0 you have to first take course 1, which is expressed as a pair:[0,1] Given the total number of courses and a list of prerequisitepairs, return the ordering of courses you should take to finish all courses. ...
课程表 II - 力扣(LeetCode)leetcode-cn.com/problems/course-schedule-ii/description/ 题目描述: 现在你总共有n门课需要选,记为0到n-1。 在选修某些课程之前需要一些先修课程。 例如,想要学习课程 0 ,你需要先完成课程 1 ,我们用一个匹配来表示他们:[0,1] ...
Explanation: There are a total of 4 courses to take. To take course 3 you should have finished both courses 1 and 2. Both courses 1 and 2 should be taken after you finished course 0. So one correct course order is [0,1,2,3]. Another correct ordering is [0,2,1,3] . ...
输入:numCourses = 2, prerequisites = [[1,0]]输出:[0,1]解释:总共有 2 门课程。要学习课程 1,你需要先完成课程 0。因此,正确的课程顺序为[0,1] 。 示例2: 输入:numCourses = 4, prerequisites = [[1,0],[2,0],[3,1],[3,2]]输出:[0,2,1,3]解释:总共有 4 门课程。要学习课程 3,...
输入:numCourses = 2, prerequisites = [[1,0]]输出:true解释:总共有 2 门课程。学习课程 1 之前,你需要完成课程 0 。这是可能的。 示例2: 输入:numCourses = 2, prerequisites = [[1,0],[0,1]]输出:false解释:总共有 2 门课程。学习课程 1 之前,你需要先完成课程 0 ;并且学习课程 0 之前...
输入:numCourses = 2, prerequisites = [[1,0]]输出:true解释:总共有 2 门课程。学习课程 1 之前,你需要完成课程 0 。这是可能的。 示例2: 输入:numCourses = 2, prerequisites = [[1,0],[0,1]]输出:false解释:总共有 2 门课程。学习课程 1 之前,你需要先完成课程 0 ;并且学习课程 0 之前...