std::vector<int> matchingStrings(
    std::vector<std::string> strings,
    const std::vector<std::string>& queries)
{
    std::sort(strings.begin(), strings.end());
    std::vector<int> result;
    result.reserve(queries.size());
    for (const auto& query : queries)
    {
        auto lower = std::lower_bound(strings.begin(), strings.end(), query);
        auto upper = std::upper_bound(strings.begin(), strings.end(), query);
        int diff = (lower == strings.end()) ? 0 : std::distance(lower, upper);
        result.push_back(diff);
    }
    return result;
}