#340Medium#47 in Snap's list· asked at 26 companies
Course Schedule II
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What we know
Example 1
Input: numCourses = 2, prerequisites = [[1,0]] Output: [0,1]
Example 2
Input: numCourses = 4, prerequisites = [[1,0],[2,0],[3,1],[3,2]] Output: [0,2,1,3]
[0,1,2,3] is also correct.
Example 3
Input: numCourses = 1, prerequisites = [] Output: [0]
Constraints
- •
1 <= numCourses <= 2000 - •
0 <= prerequisites.length <= numCourses * (numCourses - 1) - •
All the pairs are distinct.