취미가 좋다

https://leetcode.com/problems/course-schedule-ii/ Course Schedule II - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com Solution class Solution: def __init__(self): self.ans = [] self.graph = defaultdict(set) self.visit = None def findOrder(self, numCourses: int, prerequisites: List..