init

1J.py

@@ -0,0 +1,24 @@
+import heapq
+
+n = int(input())
+adj = [[] for _ in range(n + 1)]
+in_deg = [0] * (n + 1)
+for i in range(1, n + 1):
+    data = list(map(int, input().split()))
+    if data[0] > 0:
+        for parent in data[1:]:
+            adj[parent].append(i)
+            in_deg[i] += 1
+queue = []
+for i in range(1, n + 1):
+    if in_deg[i] == 0:
+        heapq.heappush(queue, i)
+ans = []
+while queue:
+    cur = heapq.heappop(queue)
+    ans.append(cur)
+    for nb in adj[cur]:
+        in_deg[nb] -= 1
+        if in_deg[nb] == 0:
+            heapq.heappush(queue, nb)
+print(*(ans))