// pgm13 -- modified employee program with
// structured read loop
// count how many employees there are
/* NEW for version e: sum the total amount paid over
   all employees */

// 9/28/16
#include <iostream>
#include <string>
using namespace std;

int main()
{
    // define variables
    string first, last;
    int idnum;
    double rate,hours,pay;
    // read in data for any number of employees
    // and keep a count in numemps
    int numemps=0, total=0;
    cout << "Enter id number, -1 to exit: ";
    cin >> idnum;

    while (idnum != -1) {
        cout << "Enter employee #" << idnum << " first name: ";
        cin >> first;
        cout << "Enter last name: ";
        cin >> last;
        cout << "Enter hours worked and rate of pay: ";
        cin >> hours >> rate;
        // calculate pay
        pay = hours * rate;
        // print everything
        cout << "Name: " << first << ' ' << last << " id: " << idnum <<
            " Hours: " << hours << " rate: " << rate << endl;
        total+=pay;
        numemps++;
        cout << "pay for employee " << numemps << " is: " << pay << endl;

        cout << "Enter id number, -1 to exit: ";
        cin >> idnum;
    }
    // fell out of loop, print counter (numemps which is
    // number of employees processed.)
    cout << "Number of employees entered is: " << numemps << endl;
    cout << "Total pay is: " << total << endl;
    return 0;
}