// pgm1 -- data, variables, expressions
// 8/31/16
#include <iostream>
#include <string>
using namespace std;

int main()
{
    int area, length, width;
    length = 12;
    width = 15;
    area = length * width;  // times
    cout << "The length is: " << length <<
        " the width is: " << width << " and the area is "
        << area << "." << endl;

   // mixing data types
    int x=1.9;
    cout << "x is " << x << endl;
    // using parenthesis to override operator precedence
    int a=10, b=20;
    double avg = (10 + 20) / 2;
    cout << "avg is: " << avg << endl;
    // integer division
    cout << "7/2 with integer division " << 7/2 << endl;
    double answer;
    answer = 7/2;
    cout << "even in a double variable " << answer << endl;
    answer = 7/2.0;
    cout << "now answer is " << answer << endl;
    // modulus operator % (same precedence as * and /)
    int hour = 2;
    cout << "It is now 2:00. After waiting 13 hours, the time is: "
         << (2+13) % 12 << endl;
    // string variable
    string name;
    name = "Alice";
    cout << "Hello " << name << endl;
    return 0;
}