Problem-10

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