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 <stdio.h>

int main(void){
    int n;
    scanf("%d", &n);

    int V[100][100];
    for(int i = 1; i < 100; i++){
        for(int j = 1; j < 100; j++){
            V[i][j] = 0;
        }
    }

    for(int i = 0; i < n; i++){
        int num1;
        scanf("%d", &num1);

        int n;
        scanf("%d", &n);

        int num2;
        for(int j = 0; j < n; j++){
            scanf("%d", &num2);
            V[num1][num2] = 1;
        }
    }

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            if(j == 1){
                printf("%d", V[i][j]);
            }else{
                printf(" %d", V[i][j]);
            }
        }
        printf("\n");
    }
}

C++: #include <iostream>
#include <vector>

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

    std::vector<std::vector<int>> ada_mat(n, std::vector<int>(n, 0));
    
    for (int i = 0; i < n; i++) {
        int u, k, v;
        std::cin >> u >> k;
        for (int j = 0; j < k; j++) {
            std::cin >> v;
            ada_mat[u - 1][v - 1] = 1;
        }
    }

    for (auto && row : ada_mat) {
        for (int i = 0; i < n; i++) {
            if (i != 0) {
                std::cout << " ";
            }
            std::cout << row[i];
        }
        std::cout << std::endl;
    }
}

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

static const int MAX = 100;

int main(){
    int n;
    scanf("%d",&n);
    int u,k,adj[MAX][MAX],tmp;
    memset(adj,0,sizeof(adj));
    for(int i=0;i<n;i++){
        scanf("%d %d",&u,&k);
        for(int m=0;m<k;m++){
            scanf("%d",&tmp);
            adj[u-1][tmp-1] = 1;
        }
    }
    for(int i=0;i<n;i++){
        for(int m=0;m<n;m++){
            if(m) printf(" ");
            printf("%d",adj[i][m]);
        }
        printf("\n");
    }

    return 0;
}

C++: #include <iostream>
using namespace std;
int main(){
	int N;
	cin>>N;
	int u,k;
	int v[k];
	int G[N][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;
		for(int j=0;j<k;++j){
			cin>>v[j];
			G[v[j]-1][u-1]=1;  //??£??\????????????ID??§??????"u"???1???????§????????????§?????????????????????u-1??¨?????????
		}	
	}
	for(int i=0;i<N;++i){
		for(int j=0;j<N-1;++j){
			cout <<G[j][i]<< " ";
		}
		cout<< G[N][i]<<endl;
	}
}

C++: #include <iostream>
#include <vector>

using namespace std;

void solve()
{
	int n;
	cin >> n;
	vector<vector<int> > G(n, vector<int>(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 - 1][v - 1] = 1;
		}
	}
	for (int i = 0; i < n; ++i)
	{
		for (int j = 0; j < n - 1; ++j)
		{
			cout << G[i][j] << " ";
		}
		cout << G[i][n - 1] << endl;
	}
}

int main()
{
	solve();
	return(0);
}

C++: #include <stdio.h>
#include <iostream>
#include <algorithm>
#include <math.h>
#include <stack>

using namespace std;

int minimum=-1;


int main(){
	int n,row,num,col;
	scanf("%d",&n);
	int table[n][n];
	for(int i=0;i<n;i++){
		for(int k=0;k<n;k++){
			table[i][k] = 0;
		}
	}

	for(int i=0;i<n;i++){
		scanf("%d %d",&row,&num);
		for(int k=0;k<num;k++){
			scanf("%d",&col);
			table[row-1][col-1]=1;
		}
	}

	for(int i=0;i<n;i++){
		for(int k=0;k<n;k++){
			printf("%d ",table[i][k]);
		}
		printf("\n");
	}

    return 0;
}

C++: #include <iostream>
#include <string>
#include <vector>
#include <functional>
#include <algorithm>
#include <array>

using namespace std;


template<typename T>
void execute(T& cin) {
	size_t n;
	cin >> n;
	vector< vector<int> > grapthMatrix(n, vector<int>(n,0));
	for (size_t i = 0; i != n; ++i) {
		size_t u;
		size_t k;
		cin >> u >> k;
		for (size_t j = 0; j != k; ++j){
			size_t v;
			cin >> v;
			grapthMatrix.at(u - 1).at(v - 1) = 1;
		}
	}
	for (size_t i = 0; i != n; ++i) {
		const vector<int>& adj = grapthMatrix.at(i);
		cout << adj.front();
		for (size_t j = 1; j != n; ++j) {
			cout << " " << adj.at(j);
		}
		cout << endl;
	}

}

int main()
{
	execute(cin);

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

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

int main() {
    int n; cin >> n;
    vector<vector<int>> vec(n, vector<int>(n, 0));

    for (int i = 0; i < n; i++)
    {
        int u, k, tmp; cin >> u >> k;
        for (int j = 0; j < k; j++)
        {
            cin >> tmp;
            vec.at(i).at(tmp-1)=1;
        }
        
    }
    
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            cout << vec.at(i).at(j) << " ";
        }
        cout << endl;
    }
    
}
//g++ -o a.exe a.cpp

C++: #include<iostream>
#include<cstdio>
using namespace std;
int M[101][101];
int main(){
  int n,u,k,v;
  cin>>n;
  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;
  }
  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;
        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;
    }

    return 0;
}

C++: #include <cstdio>
#include <cstring>

const int MAX = 100;
int adj[MAX + 1][MAX + 1];

int main()
{
  std::memset(adj, 0, sizeof(adj));

  int n;
  scanf("%d", &n);

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

  for (int i = 1; i <= n; ++i)
  {
    for (int j = 1; j <= n; ++j)
    {
      printf("%d", adj[i][j]);
      if (j < n)
        printf(" ");
      else
        printf("\n");
    }
  }

  return 0;
}