#include <bits/stdc++.h>

using namespace std;

#define For(i, a, n) for(int i =a;i<n;i++)
#define endl '\n'
#define vec vector

typedef long long ll;
typedef pair<ll, ll> pii;
template<typename... Args>
void dbg(Args&&... args){
    ((cerr<<args<<" |"),...);
    cerr<<endl;
}
template<class A, class B>
pair<A, B> operator+(const pair<A, B>&a, const pair<A, B>& b){
    return {a.first +b.first, a.second + b.second};
}
template<class A, class B>
ostream& operator<< (ostream& os, const pair<A, B>& a){
    return os<<"("<<a.first<<", "<<a.second<<")";
}
template<class A, class B, class C>
basic_ostream<A, B>& operator<<(basic_ostream<A, B>& os, const C&c){
    for(auto it=begin(c); it!=end(c);++it){
        os<<(it==begin(c)?"":" ")<<*it;
    }
    return os;
}

class intervalac{
    vec<int> h, z , k;
    int velkost=1;
public:
    intervalac(int a){
        while(velkost <a)velkost*=2;
        h.resize(velkost*2);
        z.resize(velkost*2);
        k.resize(velkost*2);

        For(i, 0, velkost){
            z[i + velkost] = i;
            k[i + velkost] = i+1;
        }
        for(int i = velkost-1;i>0;i--){
            z[i] = z[i*2];
            k[i] = k[i*2+1];
        }
        // dbg(z, k);
    }
    void add(int index, int value = 1){
        int t = index + velkost;
        while(t!=0){
            // dbg(t);
            h[t]+= value;
            t/=2;
        }
        // dbg(h);
    }
    int sum(int l, int r = 1000000000, int v = 1){
        // dbg(l, r, v, z[v], k[v]);
        if(l<=z[v]&&k[v]<=r)return h[v];
        if(k[v]<=l||r<=z[v])return 0;
        return sum(l, r, v*2) + sum(l, r, v*2+1);
    }
};

void solve(){
    int n;cin>>n;
    ll ans = 0;
    intervalac it = intervalac(n);
    For(i, 0, n){
        int p;cin>>p;
        vec<int> q(p);
        For(j, 0, p){
            cin>>q[j];
            // dbg(q[j]);
            ll t = it.sum(q[j] + 1);
            // dbg("teraz", t);
            ans += t;
        }
        for(auto j:q){
            it.add(j);
        }
    }
    cout<<ans<<endl;
}

main(){
    cin.tie(0)->sync_with_stdio(0);
    cin.exceptions(cin.failbit);
    int t=1;//cin>>t;
    while(t--){
        solve();
    }
}