write a c++ program that prints the first and last number  in a list using a while loop

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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write a c++ program that prints the first and last number  in a list using a while loop

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Step 1

// Program to find first and last
// digits of a number
#include <bits/stdc++.h>
using namespace std;

// Find the first digit
int firstDigit(int n)
{
 // Remove last digit from number
 // till only one digit is left
 while (n >= 10)
  n /= 10;
 
 // return the first digit
 return n;
}

// Find the last digit
int lastDigit(int n)
{
 // return the last digit
 return (n % 10);
}

// Driver program
int main()
{
 int n = 98562;
 cout << firstDigit(n) << " "
  << lastDigit(n) << endl;
 return 0;
}

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