Go: package main
import (
	"fmt"
	"bufio"
	"os"
	"bytes"
	"strconv"
	"strings"
)

func nextInt(scanner *bufio.Scanner) int {
	scanner.Scan()
	num , _ :=  strconv.Atoi(scanner.Text())
	return num
}


func main() {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Split(bufio.ScanWords)

	N := nextInt(scanner)
	var A [][]int = make([][]int, N)
	for i:=0; i<N; i++ {
		A[i] = make([]int, N)
	}
	for i:=0; i<N; i++{
		idx := nextInt(scanner)
		cnt := nextInt(scanner)
		for j:=0; j<cnt; j++ {
			node := nextInt(scanner)
			A[idx-1][node-1] = 1
		}
	}
	var outBuffer bytes.Buffer
	for i:=0; i<N; i++ {
		outBuffer.WriteString(strings.TrimRight(fmt.Sprintf("%v",A[i])[1:], "]") + "\n")
	}
	fmt.Printf("%s", outBuffer.String())
}

C++: #include <iostream>
using namespace std;
#define rep(i,n) for ( int i = 0; i < (n); ++i)
static const int N = 100;

int main()
{
    int n, u, k, v;
    int M[N][N];


    cin >> n;
    rep(i, n) rep(j, n) M[i][j] = 0;

    rep(i, n){
        cin >> u >> k;
        --u;
        rep(j, k){
            cin >> v;
            --v;
            M[u][v] = 1;
        }
    }

    rep(i, n){
        rep(j, n){
            if(j) cout << " ";
            cout << M[i][j];
        }
        cout << endl;
    }

    return 0;

}

C++: #include<iostream>
using namespace std;

int main()
{
	int i,j,n,u,k;
	int v[100][100];
	cin >> n;
	for(i=0;i<n;i++){
		cin >> u;
		for(j=0;j<u;j++){
			cin >> k;
			v[i][k-1]=1;
		}
	}
	for(i=0;i<n;i++){
		for(j=0;j<n;j++){
			cout << v[i][j] << " ";
		}
		cout<<endl;
	}
}

C++: #include<iostream>

using namespace std;
const int N = 100;

int main() {

	int n, u, k, v;
    int A[N][N];

	cin>>n;

	for( int i = 0; i < n; i++ ) {
		for( int j = 0; j< n; j++ ) A[i][j] = 0;
	}
	
	for ( int i = 0; i < n; i++ ) {
		cin >> u >> k;
		while( k-- ) {
			cin >> v;
			A[u - 1][ v - 1] = 1;
		}
	}
	for( int i = 0; i < n; i++ ) {
		for( int j = 0; j< n; j++ ) {
			if ( j ) cout << " ";
			cout << A[i][j];
		}
		cout << endl;
	}
	return 0;
}

C++: #include <iostream>
//给一个图的邻接表，输出其邻接矩阵

using namespace std;

static const int N=100;

int main(){
    int M[N][N];

    int n,u,k,v;

    cin>>n;

    for(int i=0;i>n;i++){
        for(int j=0;j<n;j++){
            M[i][j]=0;
        }
    }

    for(int i=0;i<n;i++){
        cin>>u>>k;
        u--;
        for(int j=0;j<k;j++){
            cin>>v;
            M[u][v]=1;
        }
    }

    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if(j)
                cout<<" ";
            cout<<M[i][j];
        }
        cout<<endl;
    }

}

C++: #include<bits/stdc++.h>
using namespace std;
int main(){
    int n,k,u,d;
    cin>>n;
    vector<vector<int>> Adj(n,vector<int>(n,0));
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            Adj[i][j]=0;
        }
    }
    for(int i=0;i<n;i++){
        cin>>k>>u;
        for(int j=0;j<u,j++){
            cin>>d;
            Adj[k-1][d-1]=1;
        }
    }
    
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            cout<<Adj[i][j]<<" ";
        }
        cout<<"\n";
    }
    
    return 0;
}

C++: #include<iostream>
using namespace std;

int main(){
  int i,j,u,k,v,n,d[101][101]={0};
  cin >> n;
  for(i = 0; i < n; i++){
    cin >> u >> k;
    for(j = 0; j < k; j++){
      cin >> v;
      d[u][v]=1;
    }
  }
  for(i = 1; i <= n; i++){
    for(j = 1; j <= n; j++){
      cout << d[i][j] << " ";
    }
    cout << endl;
  }
  return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define REP(i,n) for(ll i=0; i<(n); i++)
#define REP2(i,x,n) for(ll i=x; i<(n); i++)
#define REP3(i,x,n) for(ll i=x; i>(n); i--)
#define ALL(n) begin(n),end(n)
#define MAX 500000
#define SENTINEL 2000000000
#define NIL -1
struct cww{cww(){ios::sync_with_stdio(false);cin.tie(0);}}star;
const long long INF = numeric_limits<long long>::max();
static const ll N =100;
int main(){
    ll Adj[N][N];
    ll n,u,k,v;
    cin >> n;
    REP(i,n)REP(j,n)Adj[i][j]=0;

    REP(i,n){
        cin >> u >> k;
        u--;
        REP(j,k){
            cin >> v;
            v--;
            Adj[u][v] =1;
        }
    }
    REP(i,n){
        REP(j,n){
        if(j)cout << " ";
        cout<<Adj[i][j];
        }
        cout << endl;
    }
    
    return 0;
}

C++: #include <bits/stdc++.h>

using namespace std;

#define REP(i, n) for(int i = 0; i < n; i++)

int main() {
    int n, u, k, v;
    cin >> n;

    int mat[n][n];
    REP(i, n) REP(j, n) mat[i][j] = 0;

    REP(i, n) {
        cin >> u >> k;
        u--;
        REP(j, k) {
            cin >> v;
            v--;
            mat[u][v] = 1;
        }
    }

    REP(i, n) {
        REP(j, n) {
            if (j) cout << " ";
            cout << mat[i][j];
        }
        cout << endl;
    }
    return 0;
}

C++: #include <stdio.h>
#define MAX_N (105)

int n;
int G[MAX_N + 1][MAX_N + 1];
int main()
{
    scanf("%d", &n);
    
    for ( int i = 0; i < n; i++ ) {
	int u, k;
	scanf("%d %d", &u, &k);
	for ( int j = 0; j < k; j++ ) {
	    int v;
	    scanf("%d", &v);
	    G[u][v] = 1;
	}
    }

    for ( int i = 1; i <= n; i++ ) {
	for ( int j = 1; j <= n; j++ ) {
	    printf("%d%c", G[i][j], ( j==n ) ? '\n' : ' ');
	}
    }
    
    return 0;
}

C++: #include<iostream>

using namespace std;

#define MAX 100

int A[MAX][MAX];

int main(int argc, char const *argv[])
{
	int n,k,m,p;
	cin>>n;

	for (int i = 0; i < n; ++i)
	{
		cin>>k>>m;
		for (int j = 0; j < m; ++j)
		{
			cin>>p;
			A[k-1][p-1]=1;
		}
	}

	for (int i = 0; i < n; ++i)
	{
		for (int j = 0; j < n; ++j)
		{
			if (j!=0)
			{
				cout<<" ";
			}
			cout<<A[i][j];
		}
		cout<<endl;
	}

	return 0;
}

C++: #include <iostream>
using namespace std;
static const int N = 100;

int main()
{
    int M[N][N];
    int n, u, k, v;
    cin >> n;

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            M[i][j] = 0;
        }
    }

    for (int i = 0; i < n; i++)
    {
        cin >> u >> k;
        for (int j = 0; j < k; j++)
        {
            cin >> v;
            M[u - 1][v - 1] = 1;
        }
    }

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            if (j)
            {
                cout << " ";
            }
            cout << M[i][j];
        }
        cout << endl;
    }
    return 0;
}