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# | Author | Problem | Lang | Verdict | Time | Memory | Sent | Judged | |
---|---|---|---|---|---|---|---|---|---|
135393320 |
Practice: Night_Spark--75 |
1182A - 40 | Python 3 | Accepted | 46 ms | 4160 KB | 2021-11-14 11:21:10 | 2021-11-14 11:21:10 |
n=int(input()) print(0 if n%2 else 2**(n//2))
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