Q1. WAP to count number of digits.

#include<stdio.h>
#include<conio.h>
void main()
{
   int n, a, c=0;
   clrscr();
   printf("Enter number: ");
   scanf("%d",&n);
   while(n>0)
   {
      c++;
      n=n/10;
   }
   printf("Total digit = %d",c);
   getch();
}
Enter number: 3495
Total digit = 4