117차 2번 문제풀이(푸는중)

Author: gmlrude

live11/test117/문제2/박희경.py

@@ -0,0 +1,21 @@
+import sys
+from collections import *
+
+input = sys.stdin.readline
+
+graph = defaultdict(list)
+n = int(input())
+for _ in range(n-1):
+    u, v = map(int, input().split())
+    graph[u].append(v)
+
+
+# def parent(x):
+#     x_root = set()
+#     while x in graph[x]:
+#         x_root.add(x)
+#         x = graph[x]
+#     x_root.add(x)
+
+
+# parent(2)