armstrong number
sum of cubes of the digitsarmstrong number
temp=n;
while(n>0)
{
r=n%10;
sum=sum+(r*r*r);
n=n/10;
}
if(temp==sum)
printf("armstrong number ");
else
printf("not armstrong number");
return 0;armstrong number
#include<stdio.h>
int main()
{
int num ,n,n1,c=0,mul=1,sum=0,r,f,i;
printf("enter any num: \n");
scanf("%d",&num);
n=num;
n1=num;
while(n!=0)
{
r=n%10;
c++;
n=n/10;
}
while (num!=0)
{
f=num%10;
mul=1;
for(i=1;i<=c;i++)
{
mul=mul*f;
}
sum=sum+mul;
num=num/10;
}
if(n1==sum)
printf("Armstrong Number");
else
printf("Not an Armstrong Number");
return 0;
}armstrong numbers
// Armstrong Numbers
1, 2, 3, 4, 5, 6, 7, 8, 9, 153, 370, 371, 407, 1634, 8208, 9474, 54748...Armstrong number
<form method="post">
Enter the Number:
<input type="number" name="number">
<input type="submit" value="Submit">
</form>
<?php
if ($_POST) {
//get the number entered
$number = $_POST['number'];
//store entered number in a variable
$a = $number;
$sum = 0;
//run loop till the quotient is 0
while ($a != 0) {
$rem = $a % 10; //find reminder
$sum = $sum + ($rem * $rem * $rem) || $sum = $rem; //cube the reminder and add it to the sum variable till the loop ends
$a = $a / 10; //find quotient. if 0 then loop again
}
//if the entered number and $sum value matches then it is an armstrong number
if ($number == $sum) {
echo "Yes $number an Armstrong Number";
} else {
echo "$number is not an Armstrong Number";
}
}
//here is another example using while loop
$num=300;
$total=0;
$x=$num;
while($x!=0){
$rem=$x%10;
$total=$total+($rem*$rem*$rem);
$x=$x/10;
}
if($num==$total){
echo "Yes it is an Armstrong number";}
else
{echo "No it is not an armstrong number";}Copyright © 2021 Codeinu
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