题解 | #2的n次方计算#
2的n次方计算
https://www.nowcoder.com/practice/35a1e8b18658411388bc1672439de1d9
import math a = int(input()) print(2 << (a-1))
2的n次方计算
https://www.nowcoder.com/practice/35a1e8b18658411388bc1672439de1d9
import math a = int(input()) print(2 << (a-1))
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