Submission #76634767

---

Source Code Expand

#include<iostream>
#include<cstring>
#include<vector>
#define rep(i,l,r) for(int i=l;i<=r;i++)
using namespace std;
int n,k[105],g[105][105];
signed main(){
    cin>>n;
    rep(i,1,n){
        cin>>k[i];
        rep(j,1,k[i]){
            int v;
            cin>>v;
            g[v][i]=1;
        }
    }
    rep(u,1,n){
        vector<int>cur;
        rep(v,1,n){
            if(g[u][v]&&u!=v)cur.emplace_back(v);
        }
        cout<<cur.size()<<' ';
        for(int v:cur)cout<<v<<' ';
        cout<<'\n';
    }
    return 0;
}

Submission Info

Judge Result