Last modified on 21 October 2012, at 16:17

C++ Programming/Code/Variables/Examples

Variables

Adds two numbers and prints their sum

// This program adds two numbers and prints their sum.
#include <iostream>
 
int main()
{
  int a;
  int b;
  int sum;
 
  sum = a + b;
 
  std::cout << "The sum of " << a << " and " << b << " is " << sum << "\n";
 
  return 0;
}

// This program adds two numbers and prints their sum, variation 1
#include <iostream>
#include <ostream>
 
using namespace std;
 
int main()
{
  int a = 123, b (456), sum = a + b;
 
  cout << "The sum of " << a << " and " << b << " is " << sum << endl;
 
  return 0;
}