题解 | #2的n次方计算#
2的n次方计算
http://www.nowcoder.com/practice/35a1e8b18658411388bc1672439de1d9
import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner in = new Scanner(System.in);
while(in.hasNext()){
System.out.println(1 << in.nextInt());
}
}
}
