While Loop

While Loop

• It is a kind of iterative control statement, where the provided condition runs until the condition is satisfied.

Write a C++ program to calculate number of digits in the given number.

/* Program 5

Date : 20-03-2019

Program Name: Calculate number of digits

Developed By: Aditi B

*/

#include <iostream>

using namespace std;

int main()

{

int num, count;

cout<<"Enter any number:\t";

cin>>num;

//Run the loop till the number is greater than 0

while(num != 0)

{

count ++; //increment the count

num = num /10; //remove the last digit of the number

}

cout<< "Total number of digits in given number is "<<count;

return 0;

}