Input a number and count the number of digits in it using while loop in C++
while Loop - Question 11
In this question, we will see how to input a number and count the number of digits in it in C++ programming using while loop. To know more about while loop click on the while loop lesson.
Q11) Write a program in C++ to input a number and count the number of digits in it using while loop.
Program
#include <iostream>
#include <conio.h>
using namespace std;
int main()
{
int n,c=0;
cout<<"Enter any number ";
cin>>n;
while(n>0)
{
c=c+1;
n=n/10;
}
cout<<"Total Number of Digits = "<<c;
return 0;
}Output
Enter any number 42638 Total Number of Digits = 5
