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;

int main(){
  int n,u,k,v;
  int A[101][101];

  cin>>n;

  for(int i=0;i<n;i++){
    for(int j=0;j<n;j++) A[i][j]=0;
  }
  
  for(int i=0;i<n;i++){
    cin>>u;
    cin>>k;
    for(int j=0;j<k;j++){
      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<<" ";
      cout<<A[i][j];
    }
    cout<<endl;
  }
  
  return 0;
}

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


int main()
{
    int n, m[101][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;
            m[u][v] = 1;
        }
    }
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++) {
            if(j != 1) cout << " ";
            cout << m[i][j];
        
        }
        cout << endl;
    }
    
    
    
    
    return 0;
}

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

struct Node{
    int k;int u;
};

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

C++: #include <iostream>
using namespace	std;
int main(){

  int n,graph[100][100]={},a,b,tmp;
  cin>>n;
  for(int i=0;i<n;i++){
    cin>>a>>b;
    for(int j=0;j<b;j++){
      cin>>tmp;
      graph[a-1][tmp-1]=1;
    }
  }

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

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

int G[110][110] ={0};

int main(){
  int n;
  cin >> n;
  int u, k;
  int v[100000];
  for(int i=0; i<n; i++){
    cin >> u >> k;
    for(int j=0; j<k; j++){
      cin >> v[j];
      G[i][v[j]] = 1;
    }
  }
  for(int i=0; i<n; i++){
    for(int j=1; j<n+1; j++){
      cout << G[i][j] << " ";
    }
    cout << endl;
  }
    
    
}

C++: #include <iostream>
#include <algorithm>
#include <stack>
#include <string>
#include <queue>
#include <cstdlib>
#include <cstdio>
#include <cmath>
#include <vector>
#include <list>
#include <string.h>
#define _USE_MATH_DEFINES
#include <math.h>
#include <map>
#define INFTY (1<<30)
#define MAX 100000000

using namespace std;

int main() {
	int n, m[100][100] = {};
	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;
			m[i][v] = 1;
		}
	}
	for( int i = 0; i < 100; i++) {
		for( int j = 0; j < 100; j++) {
			cout << m[i][j] << ' ';
		}
		cout << endl;
	}

    return 0;
}

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

int main() {
    ll n;
    cin >> n;
    vector<vector<ll>> mat(n,vector<ll>(n,0));
    for(ll i=0;i<n;i++) {
        ll u,k;
        cin>>u>>k;
        for(ll j=0;j<k;j++) {
            ll tmp;
            cin>>tmp;
            mat[u-1][tmp-1] = 1;
        }
    }
    for(ll i=0;i<n;i++) {
        for(ll j=0;j<n;j++) {
            if(j<n)cout << mat[i][j] << " ";
            else cout << mat[i][j];
        }
        cout << endl;
    }
}

C++: #include<iostream>
using namespace std;
static const int N=100;

int main(){
    int M[N][N];
    int n,u,v,k;
    
    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<stdio.h>

int main(){

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

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

    for(int i=0; i<n; i++){
        int u, k;
        scanf("%d %d", &u, &k);
        u--;
        for(int j=0; j<k; j++){
        int v;
        scanf("%d", &v);
        v--;
        A[u][v] = 1;    //uとvに辺を張る
        }
    }

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

    return 0;
}