源码在add.cpp，内容如下
1 int main() 2 { 3 // prompt user to enter two numbers 4 std::cout << "Enter two numbers:" << std::endl; 5 int v1 = 0, v2 = 0; 6 std::cin >> v1 >> v2; 7 std::cout << "The sum of " << v1 << " and " << v2 8 << " is " << v1 + v2 << std::endl; 9 return 0; 10 }
编译运行：
