/*
    loop3.cpp
    Dave Klick
    CIS 150
    2017-02-14
    
    Demonstration of accumulator.
*/

#include <iostream>
using namespace std;

int main() {
    int start, stop, total, temp;
    
    cout << "Enter starting number: ";
    cin >> start;
    cout << "Enter ending number: ";
    cin >> stop;
    
    // swap numbers if stop is less than start
    if (start > stop) {
        temp = start;
        start = stop;
        stop = temp;
    }
    
    // add up all the numebrs in the range
    // no init needed since start (the loop counter) is already set
    // important to initialize accumulator (total) to 0
    total = 0;
    for (; start <= stop; start++) {
        total = total + start;
    }

    cout << "The total is " << total << endl;
    
    return 0;
}