Answer Posted / vetrivel

#include<stdio.h>
int fact(int r)
{
if(r=0 || r=1)
return 1;
else
return(r*fact(r-1);
}
void main()
{
int a,n,rem,sum=0
printf("Enter the number\n");
scanf("%d",&n);
a=n;
while(n!=0)
{
rem=n%10;
sum=sum+fact(rem);
n=n/10;
}
if(sum==a)
printf("%d is a strong number",a);
else
printf("%d is not a strong number",a);
}

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