float n;
const int sizeZ = 20;
int Z[sizeZ]{ };
float func;
cout << "Enter your values:" << endl;
cin >> n;
for (double x = 0; x < 2; x += 0.1) {
    float func = n*(cos(n*x));
    cout << "result:" << func << endl;
}
if (sizeZ > 0) {
    cout << "unsigned values" << sizeZ;
}
system("pause");
}