armstrong numbers
int main(){
int a;
cin >> a;
int check = a;
int sum = 0;
while(a!=0){
int rem = a%10;
sum += pow(rem,3); //include cmath
a/=10;
}
if(sum==check){
cout << "armstrong";
} else {
cout << "not armstrong";
}
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;
}Copyright © 2021 Codeinu
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