C program that counts how many digits a number have

#include <stdio.h>  
int main()  
{  
   int n;  
   int count=0;  
   scanf("%d",&n);  
   while(n!=0)  
   {  
       n=n/10;  
       count++;  
   }  
     
   printf("The num has %d digits" ,count);  
    return 0;  
}