/* Digit Count -  Program to count the number of digits in a given number */

#include  <stdio.h>
#include  <conio.h>

void main()
{
    int  n, d=0, r, temp ;
    clrscr() ;
    printf("Enter a number: ") ;
    scanf("%d", &n) ;
    if(n==0)  /* Special Case */
        printf("Number of digits in 0 is 1") ;
    else
        {
            temp=n ;
            while(n!=0)
                {
                    ++d ;       /* Counting */
                    n=n/10 ;  /* Reduce number by 1 digit */
                }
            printf("Number of digits in %d is %d", temp, d) ;
        }
    getch() ;
}
/*
Output 1:

Enter a number: 246
Number of digits in 246 is 3

Output 2:

Enter a number: 0
Number of digits in 0 is 1
*/