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 <iostream>
using namespace std;

static const int Q = 1000;

int main(){
  int M[Q][Q],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 <bits/stdc++.h>
using namespace std;

// 総数を1000000007で割った余り
const long long mod = 1e9 + 7;

using ll  = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
#define ull unsigned long long
#define ld long double
#define vi vector<int>
#define vll vector<ll>
#define vc vector<char>
#define vs vector<string>
#define vpii vector<pii>
#define vpll vector<pll>

#define rep(i, n) for (int i = 0, i##_len = (n); i < i##_len; i++)
#define rep1(i, n) for (int i = 1, i##_len = (n); i <= i##_len; i++)
#define repr(i, n) for (int i = ((int)(n)-1); i >= 0; i--)
#define rep1r(i, n) for (int i = ((int)(n)); i >= 1; i--)

#define sz(x) ((int)(x).size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()

#define SORT(v, n) sort(v, v + n);
// #define SORT(v, n) stable_sort(v, v + n);
#define VSORT(v) sort(v.begin(), v.end());
#define RSORT(x) sort(rall(x));
#define pb push_back
#define mp make_pair

#define INF (1e9)
#define PI (acos(-1))
#define EPS (1e-7)

ull gcd(ull a, ull b) { return b ? gcd(b, a % b) : a; }
ull lcm(ull a, ull b) { return a / gcd(a, b) * b; }

int n = 100;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    // cout << fixed << setprecision(5);

    int m[n][n];
    int n, u, k, v;
    cin >> n;
    rep(i, n) {
        rep(j, n) { m[i][j] = 0; }
    }

    rep(i, n) {
        cin >> u >> k;
        u--;  // 0-indexに変換
        rep(j, k) {
            cin >> v;
            v--;          // 0-indexに変換
            m[u][v] = 1;  // uとvの間に辺を張る。
        }
    }
    rep(i, n) {
        rep(j, n) {
            if (j) cout << " ";
            cout << m[i][j];
        }
        cout << endl;
    }

    return 0;
}

C++: #include<stdio.h>
typedef struct{
  int u;
  int k;
  int v[100];
}Graph;

main(){
  int i,j,n;
  int a[100][100];
  Graph node[100];
  scanf("%d",&n);

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

  for(i=0;i<n;i++){
    for(j=0;j<n;j++){
      a[i][j]=0;
    }
    for(j=0;j<node[i].k;j++){
      a[i][node[i].v[j]-1] = 1;
    }
  }
  for(i=0;i<n;i++){
    for(j=0;j<n;j++){
      printf("%d",a[i][j]);
    }
    if(i<n)printf("\n");
  }

  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<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<iostream>
#include<vector>
using namespace std;

int main(){
  vector<vector<int> > graph;
  int n;

  cin >> n;
  graph.resize(n);
  for(int i=0;i<n;i++){
    graph[i].resize(n);
    for(int j=0;j<n;j++){
      graph[i][j]=0;
    }
  }

  for(int i=0;i<n;i++){
    int idx,times;

    cin >> idx >> times;
    for(int j=0;j<times;j++){
      int path;

      cin >> path;
      graph[idx-1][path-1]=1;
    }
  }

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

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;
	}
}