Colliding Encoding

#include <bits/stdc++.h>
using namespace std;

void solve() {
    vector<int> v(30);
    for(int i=0; i<26; ++i) {
        cin >> v[i];
    }

    bool ok = 1;
    int k; cin >> k;
    set<string> w;
    while(k--) {
        string s; cin >> s;
        string t;
        for(int i=0; i<s.size(); ++i) {
            t += v[s[i] - 'A'] + '0';
        }
        // cout << s << ' ' << t << endl;
        if(w.find(t) != w.end()) {
            ok = 0;
        }
        w.insert(t);
    }
    if(!ok) cout << "YES\n";
    else
    cout << "NO\n";
}

int main() {
    int q; cin >> q;
    for(int i=1; i<=q; ++i) {
        cout << "Case #" << i << ": ";
        solve();
    }
    return 0;
}