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# | Author | Problem | Lang | Verdict | Time | Memory | Sent | Judged | |
---|---|---|---|---|---|---|---|---|---|
119118661 |
Practice: Sathya2020 |
1182A - 40 | PyPy 3 | Accepted | 124 ms | 24 KB | 2021-06-11 08:29:25 | 2021-06-11 08:29:25 |
a=int(input());print( 0 if a%2 else 2**(a//2))
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