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# | Author | Problem | Lang | Verdict | Time | Memory | Sent | Judged | |
---|---|---|---|---|---|---|---|---|---|
66308207 |
Practice: KuzlyaevNikita |
1182A - 40 | PyPy 3 | Accepted | 140 ms | 8 KB | 2019-12-05 13:21:05 | 2019-12-05 13:21:05 |
n=int(input()) print(2**(n//2)*int(n%2==0))
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