Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

func getScanner(fp *os.File) *bufio.Scanner {
	scanner := bufio.NewScanner(fp)
	scanner.Split(bufio.ScanWords)
	scanner.Buffer(make([]byte, 500001), 500000)
	return scanner
}

func getNextString(scanner *bufio.Scanner) string {
	scanner.Scan()
	return scanner.Text()
}

func getNextInt(scanner *bufio.Scanner) int {
	i, _ := strconv.Atoi(getNextString(scanner))
	return i
}

func main() {
	fp := os.Stdin
	if len(os.Args) > 1 {
		fp, _ = os.Open(os.Args[1])
	}

	scanner := getScanner(fp)
	writer := bufio.NewWriter(os.Stdout)

	n := getNextInt(scanner)
	g := make([][]int, n)

	for i := 0; i < n; i++ {
		g[i] = make([]int, n)
	}

	for i := 0; i < n; i++ {
		u := getNextInt(scanner)
		k := getNextInt(scanner)
		u--
		for ii := 0; ii < k; ii++ {
			v := getNextInt(scanner)
			v--
			g[u][v] = 1
		}
		fmt.Fprintln(writer, joinint(g[u], " "))
	}

	writer.Flush()
}

func joinint(a []int, sep string) string {
	n := len(a)
	ss := make([]string, n)
	for i := 0; i < n; i++ {
		ss[i] = fmt.Sprintf("%d", a[i])
	}
	return strings.Join(ss, sep)
}

C++: #include<iostream>
using namespace std;
static const int N=100;
int main(){
	int M[N][N];
	int n,u,k,v;
	int i,j;
	cin >> n;


	for(i=0;i<n;i++){

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

	}


	for(i=0;i<n;i++){
		cin >> u >> k;
		u=u-1;

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

	}


	for(i=0;i<n;i++){

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

		cout << endl;

	}


	return 0;

}

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

static const int NMAX = 100;
bool G[NMAX][NMAX];

int main() {
	int n; cin >> n;

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

	for (int i = 0; i < n; i++) {
		int deg; cin >> deg >> deg;
		for (int j = 0; j < deg; j++) {
			int p; cin >> p;
			G[i][p - 1] = true;
		}
	}

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

	return 0;
}

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

int main( void ){
  int M[N][N];
  int n,m,l,k;
 
  cin >> n;

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

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

int main(){
  int n;
  int M[N][N];
  int 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;
      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 << "\n";
  }

  return 0;
}

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

int main(){
    int n;cin>>n;
    int M[n+1][n+1]={};//index 0 is not used.
    for(int i=1;i<n+1;i++){
        int target,degree;
        cin>>target>>degree;
        for(int j=0;j<degree;j++){
            int in;
            cin>>in;M[target][in]=1;
        }
    }
    for(int i=1;i<n+1;i++){
        for(int j=1;j<n+1;j++){
            cout<<M[i][j];
            if(j != n)cout<<" ";
        }
        cout<<endl;
    }
    return 0;
}

C++: #include<iostream>
#define FOR(i,n) for(int i=0;(i)<(n);(i)++)
using namespace std;
int G[101][101] = {};

int main()
{
	int n;
	cin >> n;
	FOR(i, n)
	{
		int m,u;
		cin >> u >> m;
		FOR(j, m)
		{
			int l;
			cin >> l;
			G[u-1][l-1] = 1;
		}
	}
	FOR(i, n)
	{
		FOR(j, n)
		{
			cout << G[i][j] << " ";
		}
		cout << endl;
	}
	return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;

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

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

int main(){

  int n,k,v,u;
  cin>>n;

  double V[n][n];

  for(int i=0;i<n;i++){
    for(int j=0;j<n;j++){

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


  }

  for(int i=0;i<n;i++){
    for(int j=0;j<n;j++){
      cout<<V[i][j];
      if(j!=n-1){
	cout<<" ";
      }
  }
    cout<<endl;
  }

  return 0;
}

C++: #include <iostream>
using namespace std;
static int N = 200;

int main(){
    int G[N][N] = {{0}};
    int n, id, k, adj;
    cin >> n;

    for(int i=1;i<=n;i++){
        cin >> id >> k;
        for(int j=1;j<=k;j++) {
            cin >> adj;
            G[id][adj] = 1;
        }
    }

    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++) {
            if(j==1) cout << G[i][j];
            else cout << " " << G[i][j];
        }
        cout << endl;
    }

    return 0;
}

C++: #include <iostream>
using namespace std;
int main(){
        int N;
        cin >> N;
        int lt[200][200]={0};
        for( int i=0 ; i<N ; i++ ){
                int x,y,n;
                cin >> x >> n;
                for(int l=0 ; l<n ; l++ ){
                        cin >> y;
                        lt[x-1][y-1]=1;
                }
        }
        for(int i=0;i<N;i++){
                for(int j=0;j<N;j++){
                        cout<<lt[i][j];
                        if(j!=N-1)cout<<" ";
                }
                cout<<endl;
        }
        return 0;
}

C++: #include<iostream>
using namespace std;
int main(){
    int n,k,a,u,V[200][200];
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a>>k;
        for(int j=1;j<=k;j++){
            cin>>u;
            V[a][u]++;
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(j==1) cout<<V[i][1];
            else cout<<" "<<V[i][j];
        }
        cout<<endl;
    }
}

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

int main () {
    int n;
    cin >> n;
    int M[n][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++){
        int id, k;
        cin >> id >> k;
        for (int j = 0; j < k; j++){
            int tmp;
            cin >> tmp;
            M[i][tmp-1] = 1;
        }
    }
    for (int i = 0; i< n; i++){
        for (int j = 0; j < n; j++){
            if (j < n - 1){
                cout << M[i][j] << " ";
            } else {
                cout << M[i][j] << endl;
            }
            
        }
    }
    return 0;
}

C++: #include<iostream>

using namespace std;

static const int N = 100;

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

  cin >> n;

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

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

   return 0;
}