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)
}

Python: n = int(input())

mat = [[0] * (n) for _ in range(n)]

for _ in range(n):
    array = list(map(int, input().split()))
    u = array[0]
    k = array[1]
    for i in range(2, len(array)):
        mat[u - 1][array[i] - 1] = 1
        # mat[array[i] - 1][u - 1] = 1

for i in range(n):
    for j in range(n):
        if j == n - 1:
            print("%d" % (mat[i][j]))
        else:
            print("%d " % (mat[i][j]), end="")

Python: n = int(input())
l = []
pad = 0
for i in range(n):
    m = [0]*n
    s = list(map(int,input().split()))
    if s[1] != 0:
        for j in s[2:]:
            m[j-1] = 1
    
    print(*m)

C++: #include<iostream>
#include<algorithm>
#include<vector>
#include<stack>
#include<queue>
#include<list>
#include<string>
#include<cstring>
#include<cstdlib>
#include<cstdio>
#include<cmath>
using namespace std;

const int NIL = -1;
const int MAX = 20001;

int G[101][101];

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

C++: #include<iostream>
#include<vector>
#include<cstdio>
using namespace std;
int judge(int i, int n, int variable, vector< vector<int> > &v)
{
	for (int j = 0; j<v[variable].size(); ++j) {
		if (i == v[variable][j]) {
			return 1;
			break;
		}
	}
	return 0;
}
int main()
{
	int n, u, k, vv;
	cin >> n;
	vector< vector<int> > v(n), a(n, vector<int>(n));
	for (int variable = 0; variable<n; ++variable) {
		cin >> u >> k;
		for (int i = 0; i<k; ++i) {
			cin >> vv;
			v[variable].push_back(vv);
		}
	}
	for (int variable = 0; variable<n; ++variable)
		for (int i = 1; i <= n; ++i)
			a[variable][i - 1] = judge(i, n, variable, v);
	for (int variable = 0; variable<n; ++variable)
		for (int i = 0; i<n; ++i)
			printf("%d%c", a[variable][i], i == n - 1 ? "\n" : " ");
}

C++: 
#include <iostream>
using namespace std;
int main() {
    int n,p,q,x;
    cin>>n;
    int A[100][100]={0};
    for (int i=0;i<n;i++){
        cin>>q>>p;
        if (p==0)
            continue;
        for (int j=0;j<p;j++){
            cin>>x;
            A[q][x-1]=1;
        }
    }
    
    
    for (int i=0;i<n;i++){
        for (int j=0;j<n;j++){
            cout<<A[i][j];
            if (j!=n-1)cout<<" "; 
        }
        cout<<endl;
    }
    return 0;
}

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 u, k;
        cin >> u >> k;
        u--;

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

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

    return 0;
}

C++: #include <iostream>
#define MAX 120
using namespace std;

int main() {
   // freopen("in.txt", "r", stdin);

    int n, u, k, v;
    int graph[MAX][MAX];
    cin >> n;

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

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

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

C++: //16D8103012G 三品海渡
#include<iostream>
#include<vector>
using namespace std;
int main() {
  int n;
  cin >> n;
  vector<vector<int>> ln(n, vector<int>(n+1, 0));
  vector<vector<int>> m(n,vector<int>(n,0));
  vector<int> rem(n, 0);
  for (int i = 0; i < n; i++)
    {
      cin >> ln[i][0];
      cin >> ln[i][1];
      for (int j = 2; j < ln[i][1]+2; j++)
	{
	  cin >> ln[i][j];
	}
    }
  for (int i = 0; i < n; i++)
    {
      for (int j = 2; j < n; j++)
	{
	  if (ln[i][j] != 0 )
	    {
	      m[i][ln[i][j]-1] = 1;
	    }
	}
    }
  for (int i = 0; i < n; i++)
    {
      for (int j = 0; j < n; j++)
	{
	  cout << m[i][j] << " ";
	}
      cout << endl;
    }
  return 0;
}

C++: #include <stdio.h>

int map_max;
int map[110][110];
int rows;
int cols[110];
int mat[110][110];

void get_map();
void print_map();
void conv_map();
void print_mat();

int main()
{

  get_map();
  //print_map();
  conv_map();
  print_mat();
  return 0;
}

void get_map()
{

  int k;
  scanf("%d", &map_max);//<100

  for(int i=0;i<map_max;i++)
    {
      scanf("%d", &k);
      scanf("%d", &cols[i]);
      for(int j=0;j<cols[i];j++)
	{
	  map[i-1][j-1]=0;
	  scanf("%d", &map[i-1][j-1]);
	}
    }

  
  return ;
}

void print_map()
{
  for(int i=0;i<map_max;i++)
    {
      for(int j=0;j<cols[i];j++)
	{
	  printf("%d", map[i-1][j-1]);
	}
      puts("");
    }
return ;
}


void conv_map()
{
  for(int i=0;i<map_max;i++)
    {
      for(int j=0;j<cols[i];j++)
	{
	  mat[i][map[i-1][j-1]-1]=1;
	}
    }
  return ;
}

void print_mat()
{
  for(int i=0;i<map_max;i++)
    {
      for(int j=0;j<map_max;j++)
	{
	  printf("%d", mat[i][j]);
	  if(j!=map_max-1)
	    {
	      printf(" ");
	    }
	}
      if(i!=map_max-1)
	{
      printf("\n");
	}
    }
}