#include <bits/stdc++.h>

using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    long long x = 0;
    cin >> x;

    vector<pair<long long, long long>> line;
    line.reserve(100000000);

    for(long long i = 0; i < x; i++){
        long long birds;
        cin >> birds;

        for(long long j = 0; j < birds; j++) {
            int in;
            cin >> in;
            line.push_back(make_pair(i, in));
        }
    }

    long long dangerous = 0;
    for(auto duo : line) {
        for (const auto &key: line) {
            if (key.first >= duo.first) break;
            dangerous += key.second > duo.second;
        }
    }

    cout << dangerous << endl;
}