Course Schedule IV

class Solution:
    def checkIfPrerequisite(self, numCourses: int, prerequisites: List[List[int]], queries: List[List[int]]) -> List[bool]:

        seen = [0]* numCourses
        path={idx: set() for idx in range(numCourses)}
        incoming = [0]* numCourses
        answer= []

        graph={idx: [] for idx in range(numCourses)}
        for fro_m , to in prerequisites:
            incoming[to]+=1
            graph[fro_m].append(to)
        queue = deque()
        for idx in range(numCourses):
            if incoming[idx] == 0:
                queue.append(idx)
        while queue:
            node = queue.popleft()
            for adj in graph[node]:
                path[adj].add(node)
                path[adj].update(path[node])
                incoming[adj] -= 1
                if incoming[adj] == 0:
                    queue.append(adj)
        answer= []
        for u,v in queries:
            answer.append(u in path[v])
        return answer