C program to Armstrong Number

Below is C program to Armstrong Number.

Program:

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/* Check Armstrong Number */   #include<stdio.h> int main() {     int n, sum = 0, t, r;       printf("Please enter a number: ");            scanf("%d",&n);       for(t=n;t>0;t=t/10)     {         r = t%10;         sum = sum + r*r*r;     }      if ( n == sum )         printf("%d is an armstrong number.",n);     else         printf("%d is not an armstrong number.",n);       return 0; }