c++ primer学习指导（3）--1.2初识输入输出

源码在add.cpp，内容如下

 

int main()
{
    // prompt user to enter two numbers
    std::cout << "Enter two numbers:" << std::endl; 
    int v1 = 0, v2 = 0;
    std::cin >> v1 >> v2;   
    std::cout << "The sum of " << v1 << " and " << v2
              << " is " << v1 + v2 << std::endl;
    return 0;
}

 

编译运行：