using System;
class Program
{
static void Main(string[] args)
{
int num, remainder, sum = 0;
Console.Write("Enter a three digit number : ");
num = int.Parse(Console.ReadLine());
for (int i = num; i > 0; i = i / 10)
{
remainder = i % 10;
sum = sum + remainder * remainder * remainder;
}
if (sum == num)
{
Console.Write("Entered number is an Armstrong number.");
}
else
Console.Write("Entered number is not an Armstrong number.");
Console.ReadLine();
}
}
Output
and 4 digit armstrong number
using System;
class Program
{
static void Main(string[] args)
{
int num, remainder, sum = 0;
Console.Write("Enter a 4 digit number : ");
num = int.Parse(Console.ReadLine());
for (int i = num; i > 0; i = i / 10)
{
remainder = i % 10;
sum = sum + remainder * remainder * remainder * remainder;
}
if (sum == num)
{
Console.Write("Entered number is an Armstrong number.");
}
else
Console.Write("Entered number is not an Armstrong number.");
Console.ReadLine();
}
}
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