题解 | #2的n次方计算#
2的n次方计算
http://www.nowcoder.com/practice/35a1e8b18658411388bc1672439de1d9
#include<stdio.h> int main() { int a = 0; int b = 1; scanf("%d",&a); for (int i = 0; i < a; i++) { b <<= 1; } printf("%d", b); return 0; }
2的n次方计算
http://www.nowcoder.com/practice/35a1e8b18658411388bc1672439de1d9
#include<stdio.h> int main() { int a = 0; int b = 1; scanf("%d",&a); for (int i = 0; i < a; i++) { b <<= 1; } printf("%d", b); return 0; }
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