RIG_xyz

#include <bits/stdc++.h>

using namespace std;


int main()
{
    freopen("output.txt","w",stdout);
    srand(time(0));
    for(int l =0;l<100;l++)
    {
        int vertices = rand()%10 +1 ;
        cout<<vertices<<endl;
        for(int j=0;j<vertices;j++)
        {
            int e=rand()%10+1;
            int w ;
            (j==0)?w=0:w=rand()%200-100;
            cout<<w<<" "<<e<<" ";
            vector<int> v;
            v.resize(e);
            for(int c=0;c<e;c++)
                v[c]=c+1;
            for(int j=1;j<=e;j++)
            {
                int u=rand()%v.size();
                cout<<v[u]<<" ";
                v.erase(v.begin()+u);
            }
            cout<<endl;
        }
    }
    cout<<"-1"<<endl;
    return 0;
}