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,p,q,x;
    cin>>n;
    int A[100][100]={};
    for (int i=0;i<n;i++){
        cin>>q>>p;
        if (p==0)
            continue;
        for (int j=0;j<p;j++){
            cin>>x;
            A[q][x-1]=1;
        }
    }
    for (int i=0;i<n;i++){
        for (int j=0;j<n;j++){
            cout<<A[i][j];
            if (j!=n-1)cout<<" "; 
        }
        cout<<endl;
    }
    return 0;
}

C++: #include<stdio.h>

int main(){
  int m[101][101];
  int i,j,k,n,u,v;

  scanf("%d",&n);

  for(i=1;i<=n;i++){
    for(j=1;j<=n;j++){
      m[i][j]=0;
    }
  }

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

  for(i=1;i<=n;i++){
    for(j=1;j<=n;j++){
      if(j-1)printf(" ");
      printf("%d",m[i][j]);
    }
    printf("\n");
  }
  return 0;
}

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

void Print(int n, int **A){
    int i, j;
    for(i = 1; i <= n; i++){
        for(j = 1; j <= n; j++){
            if(j != 1) cout << ' ';
            cout << A[i][j];
        }
        cout << endl;
    }
}

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

    int i, j;
    for(i = 1; i <= n; i++){
        for(j = 1; j <= n; j++){
            if(j != 1) cout << ' ';
            cout << A[i][j];
        }
        cout << endl;
    }

    return 0;

}

C++: /*
    ????????°??§???????????¨????????????
*/

#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#include <limits.h>
#include <float.h>
#include <iostream>
#include <algorithm>
#include <string>
#include <iterator>
#include <vector>
#include <map>
#include <utility>
#define LLU unsigned long long int
#define LL long long int
#define LD long double
using namespace std;
#define Lfmax DBL_MAX
#define LLUmax ULLONG_MAX
#define LLmax LLONG_MAX
#define dmax INT_MAX
#define vd vector<int>
#define vLL vector<long long int>
#define vLLU vector<unsigned long long int> 
#define pb push_back
#define mp make_pair
#define fi first
#define sec second
#define debug printf("asd\n")
#define debugd(a) printf("--%d\n",a)
#define debugdd(a,b) printf("--%d %d\n",a,b)
#define debugarr(a,b) for(int i=0 ; i<b ; i++)printf("%d ",a[i]);printf("\n")
#define newline printf("\n")
#define forin(a,b,c) for(int a=b ; a<c ; a++)
#define forde(a,b,c) for(int a=b ; a>=c ; a--)


inline void scd(int &a){scanf("%d",&a);}
inline void scdd(int &a,int &b){scanf("%d %d",&a,&b);}
inline void sctd(int &a,int &b,int &c){scanf("%d %d %d",&a,&b,&c);}
inline void scdlld(LL &a,LL &b){scanf("%I64d %I64d",&a,&b);}
inline void sclld(LL &a){scanf("%I64d",&a);}

#define scarrd(a,b) for(int index=0 ; index<b ; index++)scanf("%d",&a[index])
#define prdlld(a,b) printf("%I64d %I64d",a,b)
#define prdd(a,b) printf("%d %d",a,b)
#define prd(a) printf("%d",a)
#define prarr(a,b) for(int i=0 ; i<b ; i++)printf("%d ",a[i])
#define iniarr(a,b) for(int i=0 ; i<b ;i++)a[i]=0
#define arr(a,b) int *a=(int *)malloc(b*sizeof(int))
#define llarr(a,b) long long int *a=(long long int *)malloc(b*sizeof(long long int))
#define st(a,b) char *a=(char *)malloc(b*sizeof(char))
#define grav 9.8
#define pi 3.14159265

int main()
{
	int n,k,a[200][200],b,c;
	scd(n);
	forin(i,0,n)
	{
		scd(c);
		scd(k);
		forin(j,0,k)
		{
			scd(b);
			a[c-1][b-1]=1;
		}
	}
	forin(i,0,n)
	{
		forin(j,0,n-1)
		printf("%d ",a[i][j]);
		printf("%d\n",a[i][n-1]);
	}
	return 0;
}

C++: #include <iostream>
#include <algorithm>
#include <vector>
#include <deque>
#include <queue>
#include <list>
#include <stack>
#include <string>
#include <tuple>
#include <functional>
#include <numeric>
#include <cmath>
#include <iomanip>
#include <map>
#include <random>
#include <cstdlib>
#define INT_MAX 2147483647
#define INT_MIN -2147483646
#define Loop(i, n) for(int i = 0; i < (int)n; i++)
#define Loop1(i, n) for(int i = 1; i <= (int)n; i++)
#define Loopr(i, n) for(int i = (int)n - 1; i >= 0; i--)
#define Loopr1(i, n) for(int i = (int)n; i >= 1; i--)
using namespace std;
typedef long long int ll;

bool mx[105][105];

int main() {
	int n;
	cin >> n;
	Loop1(i, n) {
		Loop1(j, n) {
			mx[i][j] = 0;
		}
	}
	Loop(i, n) {
		int u, k;
		cin >> u >> k;
		Loop(j, k) {
			int v;
			cin >> v;
			mx[u][v] = 1;
		}
	}
	Loop1(i, n) {
		Loop1(j, n) {
			cout << mx[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 <cstdio> 
using namespace std;
/*---------------------------------------------------*/

int main(){
  int n,u,k,v;
  int g[100][100]={};
  scanf("%d",&n);
  for(int i=0;i<n;i++){
    scanf("%d%d",&u,&k);
    for(int i=0;i<k;i++){
      scanf("%d",&v);
      g[u][v]=1;
    }
  }
  for(int i=1;i<n+1;i++){
    printf("%d",g[i][1]);
    for(int j=2;j<n+1;j++){
      printf(" %d",g[i][j]);
    }
    printf("\n");
  }
  return 0;
}