Develop a C program to count length/digit of a given integer number using recursion

Code

/*C program to count digits using recursion.*/

#include <stdio.h>

//function to count digits
int countDigits(int num)
{
    static int count = 0;

    if (num > 0)
    {
        count++;
        countDigits(num / 10);
    }
    else
    {
        return count;
    }
}
int main()
{
    int number;
    int count = 0;

    printf("Enter a positive integer number: ");
    scanf("%d", &number);

    count = countDigits(number);

    printf("Total digits in number %d is: %d\n", number, count);

    return 0;
}

Output



Life is recursion