Chapter 6 #9

intval.cpp

#include <iostream>
#include "tgmath.h"

// For the sake of not having to prepend datatypes with std:: :P
using namespace std;

int main () 
{
    cout << "Enter a number 1-4 digits: ";
    string num;
    cin >> num;

    bool thousand = false;
    bool hundred = false;
    bool ten = false;
    bool one = false;

    int thousandCount = 0;
    int hundredCount = 0;
    int tenCount = 0;
    int oneCount = 0;

    int number = stoi(num);

    string howMany = num + " is ";

    if (number / 100 >= 10)
    {
        thousand = true;
        thousandCount = (number / 100) / 10;
        number -= thousandCount * 1000;
    }
    
    if (number / 10 >= 10)
    {
        hundred = true;
        hundredCount = (number / 10) / 10;
        number -= hundredCount * 100;
    }
    
    if (number / 10 >= 1)
    {
        ten = true;
        tenCount = (number / 10) / 1;
        number -= tenCount * 10;
    }
    
    if (number / 1 < 10)
    {
        one = true;
        oneCount = (number / 1) / 1;
        number -= oneCount * 1;
    }

    if (thousand == true)
    {
        howMany.append(to_string(thousandCount) + " thousand ");
    }
    
    if (hundred == true)
    {
        howMany.append(to_string(hundredCount) + " hundred ");
    }

    if (ten == true)
    {
        howMany.append(to_string(tenCount) + " tens ");
    }

    if (one == true)
    {
        howMany.append(to_string(oneCount) + " ones ");
    }

    cout << howMany << endl;

    return 0;
}