#include
#include
int main()
{
long num; int c=0;
clrscr();
cout<<"enter a number:";
cin>>num;
if (num==0)
{
cout<<"length of num:1";
getch();
return 0;
}
while (num !=0)
{
c++;
num =num/10;
}
cout <<"length of num:" << c;
getch();
return 0;
}