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  1. N, M = map(int, input().split())
  2. A = {int(input()) for _ in range(N)}
  3. B = {int(input()) for _ in range(M)}
  4. for S in [A & B, A - B, B - A]:
  5.     print(len(S))
  6.     print(*sorted(S))
  7.  
  8.  
Success #stdin #stdout 0.02s 28384KB
comments (?)
stdin
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6 7
5
10
20
25
45
15
15
45
3
6
9
12
18
stdout
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2
15 45
4
5 10 20 25
5
3 6 9 12 18
https://ideone.com/m2b3iJ
language:
Python 3 (python  3.9.5)
created:
6 years ago
visibility:
secret

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