Go: package main

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

// I/O
type Scanner struct {
	sc *bufio.Scanner
}

func NewScanner() *Scanner {
	sc := bufio.NewScanner(os.Stdin)
	sc.Split(bufio.ScanWords)
	sc.Buffer(make([]byte, 1024), int(1e+9))
	return &Scanner{sc}
}

func (s *Scanner) nextStr() string {
	s.sc.Scan()
	return s.sc.Text()
}

func (s *Scanner) nextInt() int {
	i, e := strconv.Atoi(s.nextStr())
	if e != nil {
		panic(e)
	}
	return i
}

func (s *Scanner) nextFloat() float64 {
	f, e := strconv.ParseFloat(s.nextStr(), 64)
	if e != nil {
		panic(e)
	}
	return f
}

func (s *Scanner) nextRuneSlice() []rune {
	return []rune(s.nextStr())
}

func (s *Scanner) nextIntSlice(n int) []int {
	res := make([]int, n)
	for i := 0; i < n; i++ {
		res[i] = s.nextInt()
	}
	return res
}

func (s *Scanner) nextFloatSlice(n int) []float64 {
	res := make([]float64, n)
	for i := 0; i < n; i++ {
		res[i] = s.nextFloat()
	}
	return res
}

// Arithmetic
func max(nums ...int) int {
	m := nums[0]
	for _, i := range nums {
		if m < i {
			m = i
		}
	}
	return m
}

func min(nums ...int) int {
	m := nums[0]
	for _, i := range nums {
		if m > i {
			m = i
		}
	}
	return m
}

func abs(x int) int {
	if x > 0 {
		return x
	}
	return -x
}

func pow(x, y int) int {
	res := 1
	for i := 0; i < y; i++ {
		res *= x
	}
	return res
}

func ceil(a, b int) int {
	if a%b == 0 {
		return a / b
	} else {
		return a/b + 1
	}
}

// Sort
type RuneSlice []rune

func (a RuneSlice) Len() int           { return len(a) }
func (a RuneSlice) Less(i, j int) bool { return a[i] < a[j] }
func (a RuneSlice) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }

// Main
func main() {
	sc := NewScanner()
	wtr := bufio.NewWriter(os.Stdout)
	N := sc.nextInt()
	g := make([][]int, N)
	for i, _ := range g {
		g[i] = make([]int, N)
	}
	for i := 0; i < N; i++ {
		u, k := sc.nextInt(), sc.nextInt()
		for j := 0; j < k; j++ {
			g[u-1][sc.nextInt()-1] = 1
		}
	}

	for _, r := range g {
		for i, num := range r {
			if i > 0 {
				fmt.Fprint(wtr, " ")
			}
			fmt.Fprint(wtr, num)
		}
		fmt.Fprintln(wtr)
	}
	wtr.Flush()
}

C++: #include <iostream>
using namespace std;
#define MAX 100

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

C++: #include <iostream>
#include <string>
#include <vector>
#include <set>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <functional>
#include <map>
#include <cmath>
#include <queue>

using namespace std;

int main() {


    int n;scanf("%d",&n);
    int u;
    int k;
    vector<vector<int> > graph;
    graph.resize(n);
    for(int i=0;i<n;i++){
        graph[i].resize(n);
    }
    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++){
        scanf("%d",&u);
        scanf("%d",&k);
        int value;
        for(int j=0;j<k;j++){
            scanf("%d",&value);
            graph[u-1][value-1]=1;
        }
    }

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

    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]);
	}
      puts("");
    }
}

C++: #include <stdio.h>

int  main(){
  int i, j, k, n, x, y;
  int ans[101][101];
  
  scanf("%d", &n);
  
  for(i=0; i<n; i++){
    for(j=0; j<n; j++)
      ans[i][j] = 0;
  }
  
  for(i=0; i<n; i++){
    scanf("%d %d", &x, &y);
    for(j=0; j<y; j++){
      scanf("%d", &k);
      ans[i][k-1] = 1;
    }
  }
  
  for(i=0; i<n; i++){
    for(j=0; j<n; j++){
      if(j>0)
        printf(" ");
      printf("%d", ans[i][j]);
    }
    printf("\n");
  }
  
  return 0;
}

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

int main(){
  int n;
  int g[101][101];
  fill(g[0],g[101],0);
  cin >> n;
  for(int i = 0;i < n;i++){
    int u,k;
    cin >> u >> k;
    for(int j = 0;j < k;j++){
      int v;
      cin >> v;
      g[u][v] = 1;
    }
  }
  for(int i = 1;i <= n;i++){
    cout << g[i][1];
    for(int j = 2;j <= n;j++){
      cout << ' ' << g[i][j];
    }
    cout << endl;
  }
}

C++: #include <iostream>
#define NUM 100
using namespace std;

int result[NUM][NUM];

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

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

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

    return 0;
}

C++: #include <iostream>

using namespace std;

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

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

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

    return 0;
}

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


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