手写代码:求x的n次方
import java.util.Scanner;
public class Main{
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int x=sc.nextInt();
int y=sc.nextInt();
System.out.println(pow(x,y));
}
private static long pow(int x,int y){
if(y==1){
return x;
}else{
return x*pow(x,y-1);
}
}
}