#include <iostream>
#include <conio.h>
#include <iomanip>
using namespace std;
int main()
{
    int selection, CEb, CRb, USDb, resultb;
    double CrForHundred, CE, CR, USD;
    double DOLLAR_PER_CE = 0.0025;
    double CE_PER_DOLLAR = 400;
    double temp, result;
    cout << fixed << setprecision(6);
    do {
    cout << "Input: \n\n1. CE \n2. CR \n3. Money" << endl;
    cout << "\nSelection: ";
    cin >> selection;
    cout << endl;
    switch (selection)
    {
           case 1:
                cout << "\n\n Input: CE (using rate of $50 per 20K CE)\n\n\n";
                cout << "Current price of 100CE, in CR: ";
                cin >> CrForHundred;
                cout << "Amount of CE to convert: ";
                cin >> CE;
                temp = CrForHundred / 100.0;
                result = temp * CE;
                CEb = CE;
                resultb = result;
                cout << "\n" << CEb << "CE is equivalent to " << resultb << "CR\n" << endl;
                result = CE * DOLLAR_PER_CE;
                cout << setprecision(2);
                cout << "\n" << CEb << "CE is equivalent to $" << result << "\n" << endl;
                cout << setprecision(6);
                DOLLAR_PER_CE = 0.0025;
                cout << "Press any key to return to the menu." << endl;
                getch();
                break;
           case 2:
                cout << "\n\n Input: CR (using rate of $50 per 20K CE)\n\n\n";
                cout << "Current price of 100CE, in CR: ";
                cin >> CrForHundred;
                cout << "Amount of CR to convert: ";
                cin >> CR;
                CRb = CR;
                temp = 100.0 / CrForHundred;
                result = temp * CR;
                resultb = result;
                cout << "\n" << CRb << "CR is equivalent to " << resultb << "CE\n" << endl;
                result = result * DOLLAR_PER_CE;
                cout << setprecision(2);
                cout << "\n" << CRb << "CR is equivalent to $" << result << "\n" << endl;
                cout << setprecision(6);
                DOLLAR_PER_CE = 0.0025;
                cout << "Press any key to return to the menu." << endl;
                getch();
                break;
           case 3:
                cout << "\n\n Input: USD (using rate of $50 per 20K CE)\n\n\n";
                cout << "Current price of 100CE, in CR: ";
                cin >> CrForHundred;
                temp = CrForHundred / 100.0;
                cout << "Amount of money to convert: $";
                cin >> USD;
                result = USD * CE_PER_DOLLAR;
                resultb = result;
                cout << setprecision(2);
                cout << "\n" << "$" << USD << " is equivalent to " << resultb << "CE\n" << endl;
                result = result * temp;
                resultb = result;
                cout << "\n" << "$" << USD << " is equivalent to " << resultb << "CR\n" << endl;
                cout << setprecision(6);
                DOLLAR_PER_CE = 0.0025;
                cout << "Press any key to return to the menu." << endl;
                getch();
                break;
           default:
                   cout << "\nInvalid selection. Derp.\n" << endl;
                   }
                   }while(1);
}