Java calculates the _java of the number of self power and Narcissus

(For example: when n is 3 o'clock, there is a 1^3 + 5^3 + 3^3 = 153,153 is a power number when n is 3)
N is 1 o'clock, the self power number is called a single number.
N is 2 o'clock, there is no power number.
N is 3 o'clock, and the self power number is called the Narcissus number.
N is 4 o'clock, and the self power number is called the number of roses.
N is 5 o'clock, and the self power number is called the pentagram number.
N is 6 o'clock, and the self power number is called the Liuhe number.
N is 7 o'clock, and the self power number is called the Beidou seven-star number.
N is 8 o'clock, and the self power number is called the Baxian number.
N is 9 o'clock, and the self power number is called the number of 99 Chongyang.
N is 10 o'clock, the self power number is called a perfect number.

Copy Code code as follows:

/*
* Self-Power number
* A power number is a n-digit number, its each bit of the number of the N power of the sum equals it itself.
* (for example: when n is 3 o'clock, there is 1^3 + 5^3 + 3^3 = 153,153 is a power number when n is 3)
*/
Import Java.util.Scanner;

public class self-power number {

public static void Main (string[] args) {
Scanner input = new Scanner (system.in);
System.out.println ("Please enter the number of self power digits you want to check:");
int n = input.nextint ();//receiving number of digits
Define a number, starting from 10^ (n-1), to 10^n end
Switch (n) {
Case 1:
System.out.println ("single number:");
System.out.print ("0" + "t");
Break
Case 2:
System.out.println ("Two-bit self-power number:");
System.out.println ("No power number!") ");
Break
Case 3:
System.out.println ("Narcissus number:");
Break
Case 4:
System.out.println ("Number of Roses:");
Break
Case 5:
System.out.println ("The number of Pentagram:");
Break
Case 6:
System.out.println ("Liuhe number:");
Break
Case 7:
System.out.println ("The Big Dipper Number:");
Break
Case 8:
System.out.println ("Baxian number:");
Break
Case 9:
System.out.println ("99 Chongyang Number:");
Break
Case 10:
System.out.println ("Perfect number:");
Break
Default
System.out.println ("Other Self Power Number:");
Break
}
for (int number = (int) Math.pow (n-1); number < Math.pow (n); number++) {
Judge Condition: Digit number number is n
if (string.valueof (number). Length () = N) {
Double num = 0;
for (int i = 0; i < n; i++) {
int temp = (int) (NUMBER/MATH.POW (i))% 10;
num + + MATH.POW (temp, n);
}
if (number = num) {
System.out.print (number + "T");
}
}
}
Input.close ();
}
}