dg

 1 package excel;
 2 
 3 import java.util.Scanner;
 4 
 5 public class doExcel {
 6     public static void main(String args[]){
 7         
 8         
 9         System.out.println(f(2,4));
10 
11         
12     }
13     
14     
15     static int f(int a,int n){
16         if(n>1){
17             return pf(f(a,n/2));
18             
19         }else{
20             return a;
21             
22         }
23     }
24     
25     static int pf(int a){
26     return a*a;
27     }
28     
29 
30 }
原文地址:https://www.cnblogs.com/wpzy2311/p/5024408.html