sxhs2.java

在java中实现水仙花数的各算法

import java.io.*;
public class Sxhs2{
	static int n;
	//static int[] Ai;
	
	public static void main(String[] args){
		System.out.println("请输入所求水仙花数的位数n(n>=3):");
		try{
			BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
			String inputLine=in.readLine();
			n=Integer.valueOf(inputLine).intValue();	
		}catch(Exception e){
			System.out.println("输入不合法");
			return;	
		}
		//Ai=new int[n];
		
		Sxhs2 Sx=new Sxhs2();
		Sx.GetResult(n);	
	}
	//static int n;
	//int[] Ai=new int[n];
	public void GetResult(int p){
		//double num=0;
		for(double i=Math.pow(10,(p-1));i<Math.pow(10,p);i++){
			//int n=0;
  			int j=1;
  			double x=0;
  			double total=0;
 			while(j<=i){
 		   		j*=10;
  		   		//n++; 
  			}
			while(j>=10){
 		   		x=(i%j)/(j/10);
                total=total+Math.pow(x,p);
                j=j/10;
  			}
			if(total==i){
		   		System.out.println(total);
			}
		}	
	}	
}