2.3

// Laboration 2, Assignment_3.cpp
// Fabian Tjernström (fatj1700) 2018-11-21

#include <iostream>

using namespace std;

int main() {

    int num, copyNum, digitCount = 0, rem = 0, revNum = 0;

    cout << "This is a program to check if a number is a palindrome." << endl;
    cout << "Enter a five digit number: ";
    cin >> num;

    copyNum = num;

    while( copyNum > 0 ) {
        copyNum = copyNum / 10;
        digitCount++;
    }

    if( digitCount < 5 ) {
        cout << "Too FEW digits!" << endl;
    }
    else if( digitCount > 5 ) {
        cout << "Too MANY digits!" << endl;
    }
    else {
        copyNum = num;
        while( copyNum != 0 ) {
            rem = copyNum % 10;
            revNum = revNum * 10 + rem;
            copyNum /= 10;
        }
        if ( revNum == num ) {
            cout << "Your number is a palindrome!" << endl;
        }
        else {
            cout << "Sorry, your number is NOT a palindrome." << endl;
        }
    }

    return 0;
}