ic does nothing

[danschumann]

ac works but ic doesn't

[roachsinai]

For me ac and ic do same thing.

int main()
{
    Solution s;
    string symb("TTFT");
    string oper("|&^");
    cout << s.countParenth(symb, oper) << endl;
}

When I on Solution s; line, vac and vic all highlight:

{
    Solution s;
    string symb("TTFT");
    string oper("|&^");
    cout << s.countParenth(symb, oper) << endl;
}