Go: package main

/*
グラフの表現 隣接行列による表現
*/

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

func main() {
	scanner := makeScanner(8192)
	n := eGetInt(scanner)
	g := make([][]int, n)
	for i := 0; i < n; i++ {
		g[i] = make([]int, n)
		ints := eGetInts(scanner)
		num := ints[0]
		for j := 0; j < ints[1]; j++ {
			g[num-1][ints[j+2]-1] = 1
		}
	}
	for i := 0; i < n; i++ {
		s := fmt.Sprint(g[i])
		fmt.Println(s[1 : len(s)-1])
	}
}

////////////////////////////////////////////////////////////////////////////////
// ライブラリ
////////////////////////////////////////////////////////////////////////////////
func makeScanner(maxByte int) *bufio.Scanner {
	scanner := bufio.NewScanner(os.Stdin)
	scanner.Buffer(make([]uint8, 0, 8192), maxByte)
	return scanner
}
func makeWordScanner() *bufio.Scanner {
	scanner := makeScanner(8192)
	scanner.Split(bufio.ScanWords)
	return scanner
}
func eGetLine(r *bufio.Scanner) string {
	if r.Scan() {
		return r.Text()
	}
	err := r.Err()
	if err != nil {
		log.Fatal(err)
	}
	// EOF
	return ""
}
func eGetInt(r *bufio.Scanner) int {
	line := eGetLine(r)
	return eAtoi(line)
}
func eGetInt64(r *bufio.Scanner) int64 {
	line := eGetLine(r)
	return eAtoInt64(line)
}
func eGetFields(r *bufio.Scanner) []string {
	line := eGetLine(r)
	return strings.Fields(line)
}
func eGetInts(r *bufio.Scanner) []int {
	fields := eGetFields(r)
	ints := make([]int, len(fields))
	for i := 0; i < len(ints); i++ {
		ints[i] = eAtoi(fields[i])
	}
	return ints
}
func eGetInt64s(r *bufio.Scanner) []int64 {
	fields := eGetFields(r)
	ints := make([]int64, len(fields))
	for i := 0; i < len(ints); i++ {
		ints[i] = eAtoInt64(fields[i])
	}
	return ints
}
func eGetChars(r *bufio.Scanner) []string {
	line := eGetLine(r)
	return strings.Split(line, "")
}
func eAtoi(s string) int {
	n, err := strconv.Atoi(s)
	if err != nil {
		log.Fatal(err)
	}
	return n
}
func eAtoInt64(s string) int64 {
	n, err := strconv.ParseInt(s, 10, 64)
	if err != nil {
		log.Fatal(err)
	}
	return n
}

C++: #include <stdio.h>
#include <iostream>
#include <algorithm>
#include <vector>
#include <math.h>
#include <string>
#include <string.h>
#include <queue>
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
int N,W;
int vx[]={1,0,-1,0};
int vy[]={0,1,0,-1};
int mt[102][102];
using namespace std;
void solve(){
    cin >> N ;
    int E,K;
    memset (mt,0,102*102);
    REP(i,N){
      cin >> E >> K;
      REP(j,K)
      {
        cin >> E;
        mt[i][E-1] = 1 ;
      }
    }
    REP(x,N){
      REP(y,N){
        cout << mt[x][y] << " ";
      }
      cout << endl;
    }
}
int main(){

    solve();
}

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; i<n; j++)
      m[i][j]=0;
  }

  for(int i=0; i<n; i++)
  {
    cin >> u >> k;
    u--;
    for(int j=0; i<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 << endl;
  }

  return 0;
}

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

int main(){
  int n, u, k, v;
  cin >> n;
  int A[n * n];

  for(int i = 0; i < n * n; i++)
    A[i] = 0;

  for(int i = 0; i < n; i++){
    cin >> u >> k;
    while(k--){
      cin >> v;
      A[(u - 1) * n + (v - 1)] = true;
    }
  }

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

C++: #include "bits/stdc++.h"
using namespace std;
using ll = long long;
using ld = long double;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using vl = vector<ll>;
using vll = vector<vector<ll>>;
using pii = pair<int,int>;
#define FOR(i,a,b) for(ll i = (a); i < (b); i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(obj) (obj).begin(), (obj).end()
#define pb push_back
const double PI = acos(-1);
const double EPS = 1e-10;
const ll MOD = 1000000007;
void cioacc(){//accelerate cin/cout
  cin.tie(0);
  ios::sync_with_stdio(false);
}
int main(){
  int n;
  cin >> n;
  vvi graph(n,vi(n,0));
  REP(i,n){
    int k;
    cin >> k >> k;
    REP(j,k){
      int tmp;
      cin >> tmp;
      graph[i][tmp-1]++;
    }
  }
  REP(i,n){
    cout << graph[i][0];
    FOR(j,1,n){
      cout << " " << graph[i][j];
    }
    cout << endl;
  }
}

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

int main()
{
	int n, k, u, v;
	cin >> n;
	// N * N matrix filled with 0
	vector< vector<int> > mat(n, vector<int>(n, 0));

	for(int i=0; i<n; i++){
		cin >> u >> k;
		// adjust 0 origen
		u--;
		for(int j=0; j<k; j++){
			cin >> v;
			//cout << "vertex: " << v << '\n';
			// adjust 0 origen
			v--;
			mat[u][v] += 1;
		}
		//cout << '\n';
	}

	for(int i=0; i<n; i++){
		for(int j=0; j<n; j++){
			printf("%d ", mat[i][j]);
		}
		cout << endl;
	}
	return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define loop(i,a,b) for(i=a;i<b;i++)
#define rloop(i,a,b) for(i=a;i>=b;i--)
#define vi vector<int>
#define vl vector<ll>
#define vii vector< vector<int> >
#define vll vector< vector<ll> >
#define vs vector<string>
const int inf=1000000001;
const ll INF=1e16;
#define MOD 1000000007
#define mod 1000000009
#define pi 3.14159265358979323846



int main(){
	int n,i,j,k,u,v;
	cin>>n;
	vii a(n,vi(n,0));
	loop(i,0,n){
		cin>>u>>k;
		loop(j,0,k){
			cin>>v;
			a[u-1][v-1]=1;
		}
	}
	loop(i,0,n){
		loop(j,0,n){
			cout<<a[i][j];
			if(j!=n-1){
				cout<<" ";
			}else{
				cout<<endl;
			}
		}
	}
}

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

signed main() {
  ios::sync_with_stdio(false);
  cin.tie(0);

  int n; cin >> n;
  int M[105][105] = {};

  rep(i, n) {
    int u, k; cin >> u >> k;
    // 0-origin
    --u;
    rep(j, k) {
      int v; cin >> v;
      // 0-origin
      --v;
      M[u][v] = 1;
    }
  }
  rep(i, n) rep(j, n) {
    cout << M[i][j] << (j==n-1 ? '\n' : ' ');
  }
}

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[j][i]==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 <iostream>
using namespace std;

int main(){
        int n,m,l;
        cin >> n;
        int f[10][10] = {};
        for (int i = 0; i < n; i++){
                cin >> m;
                for (int j = 0; i < m; j++){
                        cin >> l ;
                        f[m][l] = 1;
                }
        }
        for (int i = 0; i < n; i++){
                for (int j = 0; j < n-1; j++){
                        cout << f[i][j] << " ";
                }
                cout << f[i][n] << endl;
        }
}

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

int x[30000][30000],n,q,r,b;

int main() {
	cin >> n;
	for (int i = 1; i <= n; i++) {
		cin >> q >> r;
		for (int j = 0; j < r; j++) {
			cin >> b;
			x[i][b] == true;
		}
	}
	for (int i = 1; i <= n; i++) {
		for (int j = 0; j < n; j++) {
			if (j) { cout << ' '; }
			cout << x[i][j+1];
		}
		cout << endl;
	}
	return 0;
}