C程序员的C++指导书（5）
变量可以通过有别的变量参与的计算来初始化。
1 using namespace std; 2 #include <iostream> 3 4 int main () 5 { 6 double a = 12 * 3.25; 7 double b = a + 1.112; 8 9 cout << "a contains: " << a << endl; 10 cout << "b contains: " << b << endl; 11 12 a = a * 2 + b; 13 14 double c = a + b * a; 15 16 cout << "c contains: " << c << endl; 17 18 return 0; 19 }
