mirror of
https://github.com/TheAlgorithms/Java.git
synced 2026-03-13 08:40:43 +08:00
docs: update the whole repository
* fix some bugs * delete duplicate files * format code
This commit is contained in:
@@ -1,50 +1,53 @@
|
||||
package Others;
|
||||
|
||||
import java.util.Scanner;
|
||||
|
||||
/**
|
||||
* A utility to check if a given number is armstrong or not. Armstrong number is
|
||||
* a number that is equal to the sum of cubes of its digits for example 0, 1,
|
||||
* 153, 370, 371, 407 etc. For example 153 = 1^3 + 5^3 +3^3
|
||||
*
|
||||
*
|
||||
* @author mani manasa mylavarapu
|
||||
*
|
||||
*/
|
||||
public class Armstrong {
|
||||
static Scanner scan;
|
||||
public static void main(String[] args) {
|
||||
scan = new Scanner(System.in);
|
||||
int n = inputInt("please enter the number");
|
||||
boolean isArmstrong = checkIfANumberIsAmstrongOrNot(n);
|
||||
if (isArmstrong) {
|
||||
System.out.println("the number is armstrong");
|
||||
} else {
|
||||
System.out.println("the number is not armstrong");
|
||||
}
|
||||
}
|
||||
static Scanner scan;
|
||||
|
||||
/**
|
||||
* Checks whether a given number is an armstrong number or not. Armstrong
|
||||
* number is a number that is equal to the sum of cubes of its digits for
|
||||
* example 0, 1, 153, 370, 371, 407 etc.
|
||||
*
|
||||
* @param number
|
||||
* @return boolean
|
||||
*/
|
||||
public static boolean checkIfANumberIsAmstrongOrNot(int number) {
|
||||
int remainder, sum = 0, temp = 0;
|
||||
temp = number;
|
||||
while (number > 0) {
|
||||
remainder = number % 10;
|
||||
sum = sum + (remainder * remainder * remainder);
|
||||
number = number / 10;
|
||||
}
|
||||
if (sum == temp) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
private static int inputInt(String string) {
|
||||
System.out.print(string);
|
||||
return Integer.parseInt(scan.nextLine());
|
||||
}
|
||||
public static void main(String[] args) {
|
||||
scan = new Scanner(System.in);
|
||||
int n = inputInt("please enter the number");
|
||||
boolean isArmstrong = checkIfANumberIsAmstrongOrNot(n);
|
||||
if (isArmstrong) {
|
||||
System.out.println("the number is armstrong");
|
||||
} else {
|
||||
System.out.println("the number is not armstrong");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks whether a given number is an armstrong number or not. Armstrong
|
||||
* number is a number that is equal to the sum of cubes of its digits for
|
||||
* example 0, 1, 153, 370, 371, 407 etc.
|
||||
*
|
||||
* @param number
|
||||
* @return boolean
|
||||
*/
|
||||
public static boolean checkIfANumberIsAmstrongOrNot(int number) {
|
||||
int remainder, sum = 0, temp = 0;
|
||||
temp = number;
|
||||
while (number > 0) {
|
||||
remainder = number % 10;
|
||||
sum = sum + (remainder * remainder * remainder);
|
||||
number = number / 10;
|
||||
}
|
||||
if (sum == temp) {
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
private static int inputInt(String string) {
|
||||
System.out.print(string);
|
||||
return Integer.parseInt(scan.nextLine());
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user