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>
#include <vector>
using namespace std;

int G[101][101];

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

C++: #include<iostream>
#include<map>
#include<vector>
#include<algorithm>
#include<cmath>
#include<iomanip>
#include<numeric>
#include<climits>
#include<ctime>
#include<cstring>
#include<sstream>
#define REP(i,p,n) for(int i=p;i<(int)(n);i++)
#define rep(i,n) REP(i,0,n)
#define ALL(c) (c).begin(), (c).end()
#define dump(a) cerr << #a << "=" << (a) << endl
#define DUMP(list) cout << "{ "; for(auto nth : list){ cout << nth << " "; } cout << "}" << endl;

using namespace std;

bool graph[101][101];

int main() {
	int N;	
	int id,node_size,neighber;
	cin >> N;

	rep(y,N) {
		rep(x,N) {
			graph[y][x] = 0;
		}
	}

	rep(i,N) {
		cin >> id >> node_size;
		rep(j,node_size) {
			cin >> neighber;
			graph[id][neighber] = 1;	
		}
	}

	REP(y,1,N+1) {
		REP(x,1,N+1) {
			cout << graph[y][x];
			if (x != N) {
				cout << " ";
			}
		}
		cout << endl;
	}

	return EXIT_SUCCESS;
}

C++: #include <algorithm>
#include <iostream>
using namespace std;
int main () {
  int n;
  cin >> n;
  int A[n][n];
  for (int i=0; i<n; i++) {
    for (int j=0; j<n; j++)
      A[i][j] = 0;
  }
  while (n>0) {
    int u;
    cin >> u;
    int k;
    while (cin>>k && k>0) {
      int v;
      cin >> v;
      A[u-1][v-1] = 1;
      k--;
    }
    n--;
  }
  for (int i=0; i<n; i++) {
    for (int j=0; j<n-1; j++)
      cout << A[i][j] << " ";
    cout << A[i][n-1] << endl;
  }
}

C++: #include<iostream>
#include <string.h>
using namespace std;
int main(){
    int N;
    int u[101],k[101],a[101],d[101][101];
    memset(d,0,sizeof(d));
    cin>>N;
    for(int i=1;i<=N;++i){
        cin>>u[i]>>k[i];
        for(int j=0;j<k[i];++j){
            cin>>a[j];
            d[u[i]][a[j]]=1;
        }
        for(int m=1;m<=N;++m){
            cout<<d[i][m]<<' ';
        }
        cout<<endl;
    }
}

C++: #include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
using vvi = vector<vi>;
using vll = vector<ll>;

#define rep(i, n) for (int i = 0; i < (int)(n); i++)

struct Node {
  int num = 0,
      deg = 0;
  vi v;
  Node(int num = 0): num(num) {}
};

int main() {
  int n;
  cin >> n;
  
  vector<Node> g(n);
  rep(i, n) {
    int num;
    cin >> num;
    auto nd = new Node(num);
    cin >> nd->deg;
    rep(j, nd->deg) {
      int v;
      cin >> v;
      nd->v.push_back(v);
    } 

    g[i] = *nd;
  }
  
  rep(i, n) {
    auto nd = g[i];
    int r = 0;
    rep(j, n) {
      int p;
      if (nd.v.size() && r < nd.v.size() && j + 1 == nd.v[r]) {
        p = 1;
        r++;
      } else p = 0;
      printf(j == n - 1 ? "%d\n" : "%d ", p);
    }
  }
}

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

int main(){
  int n,u,k;
  int ad;
  int arr[200][200] = {0};
  scanf("%d",&n);
  for(int i=0;i<n;i++){
    cin >> u >> k;
    for(int i=0;i<k;i++){
      cin >> ad;
      arr[u][ad] = 1;
    }
  }

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

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

int main() {
    int n, idx, g_num, a;
    int G[MAX+1][MAX+1];

    cin >> n;
    for(int i=0; i<n; i++) {
        cin >> idx >> g_num;
        for(int j=0; j<=n; j++) {
            G[idx][j] = 0;
        }
        for(int j=0; j<g_num; j++) {
            cin >> a;
            G[idx][a] = 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 <cassert>
#include <algorithm>
#include <functional>

using namespace std;
    
#include <iostream>
#include <vector>
#include <cassert>
#include <algorithm>
#include <functional>
#include <cmath>
#include <iomanip>
#include <limits>
#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    vector<vector<int>> vec(n);
    vector<int> SIZE;
    for(int i=0;i<n;i++){
        int x;
        cin >> x;
        int num;
        cin >> num;
        SIZE.push_back(num);
        for(int j = 0;j< num;j++){
            int y;
            cin >> y;
            vec[x-1].push_back(y-1) ;
        }
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            bool hantei=0;
            for(int k=0;k<SIZE[i];k++){
                
                if(vec[i][k]==j) {
                    if(j!=n){
                        cout << 1 <<" "; hantei=1;
                    }else{
                        cout << 1 ;
                    }    
                }
            }
            if(hantei==0){ 
                if(j!=n){
                    cout <<0<<" ";
                }else{
                    cout << 0;
                }
                
            };
        }cout << endl;
    }
}

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