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Write a C# program to check given number is Armstrong or not?

Steilla Mitchel 763 18 Nov 2021

Write a C# program to check given number is Armstrong or not?

Ask by Steilla Mitchel

Updated 18 Nov 2021

1 Answers

Ashutosh Kumar Verma 18 Nov 2021

C# program to check any number is Armstrong or not.

Program:

using System;					

public class Program

{

 public static void Main()

 {

  int i=0, num;

  Console.WriteLine('Enter any number to check for Armstrong');

  num=int.Parse(Console.ReadLine());

  int count=num;

  int number=num;

  int res=0;		

  while(count!=0)

  {

    count=count/10;

   i++;

  }

  //Console.WriteLine(i);

  while(number!=0)

  {

  int mul=1; 

   int rem;

    rem=number%10;

   int cnt=i;

   while(i!=0)

   {

    mul=mul*rem;

    i--;			

   }

   res=res+mul;

   i=cnt;

   number=number/10;

   mul=1;

  }

  if(res==num)

  {

  Console.WriteLine(num+' is an Armstromg Number');

  }else

  {

  Console.WriteLine(num+' is not an Armstrong number');

  }

 }

}

Output:

Enter any number to check for Armstrong

340

340 is not an Armstrong number

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