第1章 开始

 1 //Exercise 1.4: Our program used the addition operator, +, to add two numbers. Write a program that uses the multiplication operator, *, to print the product instead.
 2 #include<iostream>
 3 int main()
 4 {
 5     std::cout << "Enter two numbers:" << std::endl;
 6     int v1 = 0, v2 = 0;
 7     std::cin >> v1 >> v2;
 8     std::cout << "The product of " << v1 << " and " << v2 << " is " << v1*v2 << std::endl;
 9     return 0;
10 }