代码
typedef map<Set, vector<Set> Setcache;
stack< cin >> t;
cin >> n;
IDCache.clear();
Setcache.clear();
cin >> op;
Set x1 = Setcache[s.top()]; s.pop();
Set x2 = Setcache[s.top()]; s.pop();
Set x;
s.push(ID(x));
}
cout << Setcache[s.top()].size() << endl;
}
cout << "***" << endl;
}
}
Setcache.push_back(x);
}