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백준/1167.py

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+import sys
+
+V = sys.stdin.readline().rstrip()
+V = int(V)
+arr = [[] * V for i in range(V)]
+result = [V for i in range(V)]
+
+for i in range (V):
+    arr[i]=(list(map(int, input().split())))
+
+for i in range(V):
+    arr[i]=