Buses_stops_2

#include <iostream>
#include <map>
#include <vector>
using namespace std;

int main() {
    map<vector<string>, int> m;
    int q;
    cin >> q;
    for (int i = 0; i < q; i++) {
        int n;
        cin >> n;
        vector<string> v;
        for (int j = 0; j < n; j++) {
            string stop;
            cin >> stop;
            v.push_back(stop);
        }
        if (m.count(v)) {
            cout << "Already exists for " << m[v] << endl;
        }
        else {
            int temp = m.size() + 1;
            m[v] = temp;
            cout << "New bus " << m[v] << endl;
        }
    }
    return 0;
}