// Simple running total example.
// Total all the integers between a lower and an upper bound.
#include <iostream>
using namespace std;

int main()
{
    const int LOWER_BOUND = 0;
    const int UPPER_BOUND = 10;

    int num = LOWER_BOUND;  // counter
    int sum = 0;            // accumulator

    while (num <= UPPER_BOUND)
    {
        sum += num;         // add the new value to the accumulator
        num++;
    }

    cout << "The sum of integers from " << LOWER_BOUND
         << " to " << UPPER_BOUND
         << " is " << sum << endl;

    return 0;
}