Write a C Program to Count Number of Digits in an Integer.

/*

Write a C Program to Count Number of Digits in an Integer.

*/

#include <stdio.h>

int main()

{

            long long num;

             int count = 0;

            /* Input number from user */

            printf("Enter any number: ");

            scanf("%lld", &num);

            /* Run loop till num is greater than 0 */

            while(num != 0)

            {

                         /* Increment digit count */

                        count++;

                        /* Remove last digit of 'num' */

                         num /= 10;

            }

            printf("Total digits: %d", count);

            return 0;

}

OUTPUT :

Enter any number: 45698

Total digits: 5

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