4. (I) Write a program to count the digit in a number

4. (I) Write a program to count the digit in a number

#include <stdio.h>
	int main()
	{
	long long n;
	int count=0;
	printf("Enter an integer: ");
	scanf("%lld", &n);
	while(n!=0)
	{
	n /= 10; // n = n/10
	++count;
	}
	printf("Number of digits: %d",count);
	}