#include <iostream>
#include <set>

int main() {
    int n;
    std::cin >> n;

    std::set<std::pair<int, int>> birds;
    for (int i = 0; i < n; ++i) {
        int b;
        std::cin >> b;

        for (int j = 0; j < b; ++j) {
            int en;
            std::cin >> en;
            birds.insert({i, en});
        }
    }

    int res = 0;
    for (auto aIt = birds.begin(); aIt != birds.end(); ++aIt) {
        for (auto bIt = aIt; bIt != birds.end(); ++bIt) {
            if (aIt->first == bIt->first)
                continue;

            if (aIt->second > bIt->second)
                ++res;
        }
    }

    std::cout << res << std::endl;

    return 0;
}