第四周作业

package ggd;

public class xcz {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int a = 0;
         int b = 1234;
         while(b != 0)
         {
         a *= 10;
         a += b % 10;
         b /= 10;
         }
    }

}

 

import java.util.*;

public class gfd {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
         Scanner sc=new Scanner(System.in);
         for(int i=7;i>=1;i--){
                for(int j=1;j<=i-1;j++)
                    System.out.print(j);
            System.out.println();
             
        
             }
         }
         }

 

package ggd;
import java.util.*;

public class gfd {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
         Scanner sc=new Scanner(System.in);
         for (int i = 100; i <1000 ; i++) {    
             int ge = i/100;        
             int shi = i/10%10;    
             int bai = i%10;        
             if(ge*ge*ge + shi*shi*shi+bai*bai*bai == i)
                 System.out.println("水仙花数为：" + i);
             
         }
        
        }
}