Example: Variables and Math in C++
/* C++ program demonstrating
variables and math. */
#include
using namespace std;
int main ()
{
// declaring variables:
int x, y;
int total;
// process:
x = 5;
y = 2;
x = x + 3;
total = x - y;
// print out the result:
cout << total;
// terminate the program:
return 0;
}