Vector force1(50, 60);
Vector force2(10,70);
Vector max;
max = Max(force1, force2);
//版本 1
Vector Max(const Vector & v1, const Vector & v2)
{
if (v1.big() > v2.big())
return 1;
else
return 2;
}
//版本2
const Vector & Max(const Vector &v1, const Vector & v2)
{
if (v1.big() > v2.big())
return 1;
else
return 2;
}
String s1("Good girl");
String s2, s3;
s3 = s2 = s1;
String s1("Good girl");
cout << s1 << "is coming!";
net = force1 + force2;
force1 + force2 = net;
cout << (force1 + force2 = net).magval() << endl;
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